3996760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 9062640

約数和(自身を除く): 5065880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 613, 652, 815, 1226, 1304, 1630, 2452, 3065, 3260, 4904, 6130, 6520, 12260, 24520, 99919, 199838, 399676, 499595, 799352, 999190, 1998380, 3996760]

約数ペア:

[(1, 3996760), (2, 1998380), (4, 999190), (5, 799352), (8, 499595), (10, 399676), (20, 199838), (40, 99919), (163, 24520), (326, 12260), (613, 6520), (652, 6130), (815, 4904), (1226, 3260), (1304, 3065), (1630, 2452)]