105819640

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{11069}}^1$

素因数の和:11319

約数の個数: 32

約数和(自身を含む): 239112000

約数和(自身を除く): 133292360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 11069, 22138, 44276, 55345, 88552, 110690, 221380, 442760, 2645491, 5290982, 10581964, 13227455, 21163928, 26454910, 52909820, 105819640]

約数ペア:

[(1, 105819640), (2, 52909820), (4, 26454910), (5, 21163928), (8, 13227455), (10, 10581964), (20, 5290982), (40, 2645491), (239, 442760), (478, 221380), (956, 110690), (1195, 88552), (1912, 55345), (2390, 44276), (4780, 22138), (9560, 11069)]