25990540420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9871}}^1$

素因数の和:9966

約数の個数: 144

約数和(自身を含む): 63736001280

約数和(自身を除く): 37745460860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 52, 65, 76, 82, 95, 130, 164, 169, 190, 205, 247, 260, 338, 380, 410, 494, 533, 676, 779, 820, 845, 988, 1066, 1235, 1558, 1690, 2132, 2470, 2665, 3116, 3211, 3380, 3895, 4940, 5330, 6422, 6929, 7790, 9871, 10127, 10660, 12844, 13858, 15580, 16055, 19742, 20254, 27716, 32110, 34645, 39484, 40508, 49355, 50635, 64220, 69290, 98710, 101270, 128323, 131651, 138580, 187549, 197420, 202540, 256646, 263302, 375098, 404711, 513292, 526604, 641615, 658255, 750196, 809422, 937745, 1283230, 1316510, 1618844, 1668199, 1875490, 2023555, 2438137, 2566460, 2633020, 3336398, 3750980, 4047110, 4876274, 5261243, 6672796, 7689509, 8094220, 8340995, 9752548, 10522486, 12190685, 15379018, 16681990, 21044972, 24381370, 26306215, 30758036, 31695781, 33363980, 38447545, 48762740, 52612430, 63391562, 68396159, 76895090, 99963617, 105224860, 126783124, 136792318, 153790180, 158478905, 199927234, 273584636, 316957810, 341980795, 399854468, 499818085, 633915620, 683961590, 999636170, 1299527021, 1367923180, 1999272340, 2599054042, 5198108084, 6497635105, 12995270210, 25990540420]

約数ペア:

[(1, 25990540420), (2, 12995270210), (4, 6497635105), (5, 5198108084), (10, 2599054042), (13, 1999272340), (19, 1367923180), (20, 1299527021), (26, 999636170), (38, 683961590), (41, 633915620), (52, 499818085), (65, 399854468), (76, 341980795), (82, 316957810), (95, 273584636), (130, 199927234), (164, 158478905), (169, 153790180), (190, 136792318), (205, 126783124), (247, 105224860), (260, 99963617), (338, 76895090), (380, 68396159), (410, 63391562), (494, 52612430), (533, 48762740), (676, 38447545), (779, 33363980), (820, 31695781), (845, 30758036), (988, 26306215), (1066, 24381370), (1235, 21044972), (1558, 16681990), (1690, 15379018), (2132, 12190685), (2470, 10522486), (2665, 9752548), (3116, 8340995), (3211, 8094220), (3380, 7689509), (3895, 6672796), (4940, 5261243), (5330, 4876274), (6422, 4047110), (6929, 3750980), (7790, 3336398), (9871, 2633020), (10127, 2566460), (10660, 2438137), (12844, 2023555), (13858, 1875490), (15580, 1668199), (16055, 1618844), (19742, 1316510), (20254, 1283230), (27716, 937745), (32110, 809422), (34645, 750196), (39484, 658255), (40508, 641615), (49355, 526604), (50635, 513292), (64220, 404711), (69290, 375098), (98710, 263302), (101270, 256646), (128323, 202540), (131651, 197420), (138580, 187549)]