12031240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 30890160

約数和(自身を除く): 18858920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1361, 1768, 2210, 2722, 4420, 5444, 6805, 8840, 10888, 13610, 17693, 23137, 27220, 35386, 46274, 54440, 70772, 88465, 92548, 115685, 141544, 176930, 185096, 231370, 300781, 353860, 462740, 601562, 707720, 925480, 1203124, 1503905, 2406248, 3007810, 6015620, 12031240]

約数ペア:

[(1, 12031240), (2, 6015620), (4, 3007810), (5, 2406248), (8, 1503905), (10, 1203124), (13, 925480), (17, 707720), (20, 601562), (26, 462740), (34, 353860), (40, 300781), (52, 231370), (65, 185096), (68, 176930), (85, 141544), (104, 115685), (130, 92548), (136, 88465), (170, 70772), (221, 54440), (260, 46274), (340, 35386), (442, 27220), (520, 23137), (680, 17693), (884, 13610), (1105, 10888), (1361, 8840), (1768, 6805), (2210, 5444), (2722, 4420)]