123434680

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{9859}}^1$

素因数の和:10183

約数の個数: 32

約数和(自身を含む): 278643600

約数和(自身を除く): 155208920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 9859, 12520, 19718, 39436, 49295, 78872, 98590, 197180, 394360, 3085867, 6171734, 12343468, 15429335, 24686936, 30858670, 61717340, 123434680]

約数ペア:

[(1, 123434680), (2, 61717340), (4, 30858670), (5, 24686936), (8, 15429335), (10, 12343468), (20, 6171734), (40, 3085867), (313, 394360), (626, 197180), (1252, 98590), (1565, 78872), (2504, 49295), (3130, 39436), (6260, 19718), (9859, 12520)]