25371640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 70041600

約数和(自身を除く): 44669960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 79, 124, 140, 148, 155, 158, 185, 217, 248, 259, 280, 296, 310, 316, 370, 395, 434, 518, 553, 620, 632, 740, 790, 868, 1036, 1085, 1106, 1147, 1240, 1295, 1480, 1580, 1736, 2072, 2170, 2212, 2294, 2449, 2590, 2765, 2923, 3160, 4340, 4424, 4588, 4898, 5180, 5530, 5735, 5846, 8029, 8680, 9176, 9796, 10360, 11060, 11470, 11692, 12245, 14615, 16058, 17143, 19592, 20461, 22120, 22940, 23384, 24490, 29230, 32116, 34286, 40145, 40922, 45880, 48980, 58460, 64232, 68572, 80290, 81844, 85715, 90613, 97960, 102305, 116920, 137144, 160580, 163688, 171430, 181226, 204610, 321160, 342860, 362452, 409220, 453065, 634291, 685720, 724904, 818440, 906130, 1268582, 1812260, 2537164, 3171455, 3624520, 5074328, 6342910, 12685820, 25371640]

約数ペア:

[(1, 25371640), (2, 12685820), (4, 6342910), (5, 5074328), (7, 3624520), (8, 3171455), (10, 2537164), (14, 1812260), (20, 1268582), (28, 906130), (31, 818440), (35, 724904), (37, 685720), (40, 634291), (56, 453065), (62, 409220), (70, 362452), (74, 342860), (79, 321160), (124, 204610), (140, 181226), (148, 171430), (155, 163688), (158, 160580), (185, 137144), (217, 116920), (248, 102305), (259, 97960), (280, 90613), (296, 85715), (310, 81844), (316, 80290), (370, 68572), (395, 64232), (434, 58460), (518, 48980), (553, 45880), (620, 40922), (632, 40145), (740, 34286), (790, 32116), (868, 29230), (1036, 24490), (1085, 23384), (1106, 22940), (1147, 22120), (1240, 20461), (1295, 19592), (1480, 17143), (1580, 16058), (1736, 14615), (2072, 12245), (2170, 11692), (2212, 11470), (2294, 11060), (2449, 10360), (2590, 9796), (2765, 9176), (2923, 8680), (3160, 8029), (4340, 5846), (4424, 5735), (4588, 5530), (4898, 5180)]