64936700

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{4957}}^1$

素因数の和:5102

約数の個数: 36

約数和(自身を含む): 142016952

約数和(自身を除く): 77080252

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 4957, 6550, 9914, 13100, 19828, 24785, 49570, 99140, 123925, 247850, 495700, 649367, 1298734, 2597468, 3246835, 6493670, 12987340, 16234175, 32468350, 64936700]

約数ペア:

[(1, 64936700), (2, 32468350), (4, 16234175), (5, 12987340), (10, 6493670), (20, 3246835), (25, 2597468), (50, 1298734), (100, 649367), (131, 495700), (262, 247850), (524, 123925), (655, 99140), (1310, 49570), (2620, 24785), (3275, 19828), (4957, 13100), (6550, 9914)]