30427640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9629}}^1$

素因数の和:9719

約数の個数: 32

約数和(自身を含む): 69336000

約数和(自身を除く): 38908360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9629, 19258, 38516, 48145, 77032, 96290, 192580, 385160, 760691, 1521382, 3042764, 3803455, 6085528, 7606910, 15213820, 30427640]

約数ペア:

[(1, 30427640), (2, 15213820), (4, 7606910), (5, 6085528), (8, 3803455), (10, 3042764), (20, 1521382), (40, 760691), (79, 385160), (158, 192580), (316, 96290), (395, 77032), (632, 48145), (790, 38516), (1580, 19258), (3160, 9629)]