25802920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 68778720

約数和(自身を除く): 42975800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 220, 260, 286, 338, 347, 440, 520, 572, 676, 694, 715, 845, 1144, 1352, 1388, 1430, 1690, 1735, 1859, 2776, 2860, 3380, 3470, 3718, 3817, 4511, 5720, 6760, 6940, 7436, 7634, 9022, 9295, 13880, 14872, 15268, 18044, 18590, 19085, 22555, 30536, 36088, 37180, 38170, 45110, 49621, 58643, 74360, 76340, 90220, 99242, 117286, 152680, 180440, 198484, 234572, 248105, 293215, 396968, 469144, 496210, 586430, 645073, 992420, 1172860, 1290146, 1984840, 2345720, 2580292, 3225365, 5160584, 6450730, 12901460, 25802920]

約数ペア:

[(1, 25802920), (2, 12901460), (4, 6450730), (5, 5160584), (8, 3225365), (10, 2580292), (11, 2345720), (13, 1984840), (20, 1290146), (22, 1172860), (26, 992420), (40, 645073), (44, 586430), (52, 496210), (55, 469144), (65, 396968), (88, 293215), (104, 248105), (110, 234572), (130, 198484), (143, 180440), (169, 152680), (220, 117286), (260, 99242), (286, 90220), (338, 76340), (347, 74360), (440, 58643), (520, 49621), (572, 45110), (676, 38170), (694, 37180), (715, 36088), (845, 30536), (1144, 22555), (1352, 19085), (1388, 18590), (1430, 18044), (1690, 15268), (1735, 14872), (1859, 13880), (2776, 9295), (2860, 9022), (3380, 7634), (3470, 7436), (3718, 6940), (3817, 6760), (4511, 5720)]