127030720

素因数分解:

$2^6\times 5^1\times {\mathrm{396971}}^1$

素因数の和:396988

約数の個数: 28

約数和(自身を含む): 302492664

約数和(自身を除く): 175461944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 396971, 793942, 1587884, 1984855, 3175768, 3969710, 6351536, 7939420, 12703072, 15878840, 25406144, 31757680, 63515360, 127030720]

約数ペア:

[(1, 127030720), (2, 63515360), (4, 31757680), (5, 25406144), (8, 15878840), (10, 12703072), (16, 7939420), (20, 6351536), (32, 3969710), (40, 3175768), (64, 1984855), (80, 1587884), (160, 793942), (320, 396971)]