39889840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^2$

素因数の和:266

約数の個数: 60

約数和(自身を含む): 95645664

約数和(自身を除く): 55755824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 103, 188, 206, 235, 376, 412, 470, 515, 752, 824, 940, 1030, 1648, 1880, 2060, 3760, 4120, 4841, 8240, 9682, 10609, 19364, 21218, 24205, 38728, 42436, 48410, 53045, 77456, 84872, 96820, 106090, 169744, 193640, 212180, 387280, 424360, 498623, 848720, 997246, 1994492, 2493115, 3988984, 4986230, 7977968, 9972460, 19944920, 39889840]

約数ペア:

[(1, 39889840), (2, 19944920), (4, 9972460), (5, 7977968), (8, 4986230), (10, 3988984), (16, 2493115), (20, 1994492), (40, 997246), (47, 848720), (80, 498623), (94, 424360), (103, 387280), (188, 212180), (206, 193640), (235, 169744), (376, 106090), (412, 96820), (470, 84872), (515, 77456), (752, 53045), (824, 48410), (940, 42436), (1030, 38728), (1648, 24205), (1880, 21218), (2060, 19364), (3760, 10609), (4120, 9682), (4841, 8240)]