64083580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15331}}^1$

素因数の和:15370

約数の個数: 48

約数和(自身を含む): 154546560

約数和(自身を除く): 90462980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 15331, 30662, 61324, 76655, 153310, 168641, 291289, 306620, 337282, 582578, 674564, 843205, 1165156, 1456445, 1686410, 2912890, 3204179, 3372820, 5825780, 6408358, 12816716, 16020895, 32041790, 64083580]

約数ペア:

[(1, 64083580), (2, 32041790), (4, 16020895), (5, 12816716), (10, 6408358), (11, 5825780), (19, 3372820), (20, 3204179), (22, 2912890), (38, 1686410), (44, 1456445), (55, 1165156), (76, 843205), (95, 674564), (110, 582578), (190, 337282), (209, 306620), (220, 291289), (380, 168641), (418, 153310), (836, 76655), (1045, 61324), (2090, 30662), (4180, 15331)]