129873400

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{4957}}^1$

素因数の和:5104

約数の個数: 48

約数和(自身を含む): 304322040

約数和(自身を除く): 174448640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2620, 3275, 4957, 5240, 6550, 9914, 13100, 19828, 24785, 26200, 39656, 49570, 99140, 123925, 198280, 247850, 495700, 649367, 991400, 1298734, 2597468, 3246835, 5194936, 6493670, 12987340, 16234175, 25974680, 32468350, 64936700, 129873400]

約数ペア:

[(1, 129873400), (2, 64936700), (4, 32468350), (5, 25974680), (8, 16234175), (10, 12987340), (20, 6493670), (25, 5194936), (40, 3246835), (50, 2597468), (100, 1298734), (131, 991400), (200, 649367), (262, 495700), (524, 247850), (655, 198280), (1048, 123925), (1310, 99140), (2620, 49570), (3275, 39656), (4957, 26200), (5240, 24785), (6550, 19828), (9914, 13100)]