77977640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8821}}^1$

素因数の和:8862

約数の個数: 64

約数和(自身を含む): 200082960

約数和(自身を除く): 122105320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8821, 8840, 17642, 35284, 44105, 70568, 88210, 114673, 149957, 176420, 229346, 299914, 352840, 458692, 573365, 599828, 749785, 917384, 1146730, 1199656, 1499570, 1949441, 2293460, 2999140, 3898882, 4586920, 5998280, 7797764, 9747205, 15595528, 19494410, 38988820, 77977640]

約数ペア:

[(1, 77977640), (2, 38988820), (4, 19494410), (5, 15595528), (8, 9747205), (10, 7797764), (13, 5998280), (17, 4586920), (20, 3898882), (26, 2999140), (34, 2293460), (40, 1949441), (52, 1499570), (65, 1199656), (68, 1146730), (85, 917384), (104, 749785), (130, 599828), (136, 573365), (170, 458692), (221, 352840), (260, 299914), (340, 229346), (442, 176420), (520, 149957), (680, 114673), (884, 88210), (1105, 70568), (1768, 44105), (2210, 35284), (4420, 17642), (8821, 8840)]