880330180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1\times {\mathrm{823}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 1877137920

約数和(自身を除く): 996807740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 677, 790, 823, 1354, 1580, 1646, 2708, 3292, 3385, 4115, 6770, 8230, 13540, 16460, 53483, 65017, 106966, 130034, 213932, 260068, 267415, 325085, 534830, 557171, 650170, 1069660, 1114342, 1300340, 2228684, 2785855, 5571710, 11143420, 44016509, 88033018, 176066036, 220082545, 440165090, 880330180]

約数ペア:

[(1, 880330180), (2, 440165090), (4, 220082545), (5, 176066036), (10, 88033018), (20, 44016509), (79, 11143420), (158, 5571710), (316, 2785855), (395, 2228684), (677, 1300340), (790, 1114342), (823, 1069660), (1354, 650170), (1580, 557171), (1646, 534830), (2708, 325085), (3292, 267415), (3385, 260068), (4115, 213932), (6770, 130034), (8230, 106966), (13540, 65017), (16460, 53483)]