56918540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{406561}}^1$

素因数の和:406577

約数の個数: 24

約数和(自身を含む): 136604832

約数和(自身を除く): 79686292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 406561, 813122, 1626244, 2032805, 2845927, 4065610, 5691854, 8131220, 11383708, 14229635, 28459270, 56918540]

約数ペア:

[(1, 56918540), (2, 28459270), (4, 14229635), (5, 11383708), (7, 8131220), (10, 5691854), (14, 4065610), (20, 2845927), (28, 2032805), (35, 1626244), (70, 813122), (140, 406561)]