1635194980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{20123}}^1$

素因数の和:20388

約数の個数: 48

約数和(自身を含む): 3651298560

約数和(自身を除く): 2016103580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 478, 956, 1195, 2390, 4063, 4780, 8126, 16252, 20123, 20315, 40246, 40630, 80492, 81260, 100615, 201230, 342091, 402460, 684182, 1368364, 1710455, 3420910, 4809397, 6841820, 9618794, 19237588, 24046985, 48093970, 81759749, 96187940, 163519498, 327038996, 408798745, 817597490, 1635194980]

約数ペア:

[(1, 1635194980), (2, 817597490), (4, 408798745), (5, 327038996), (10, 163519498), (17, 96187940), (20, 81759749), (34, 48093970), (68, 24046985), (85, 19237588), (170, 9618794), (239, 6841820), (340, 4809397), (478, 3420910), (956, 1710455), (1195, 1368364), (2390, 684182), (4063, 402460), (4780, 342091), (8126, 201230), (16252, 100615), (20123, 81260), (20315, 80492), (40246, 40630)]