551389640

素因数分解:

$2^3\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{9371}}^1$

素因数の和:10853

約数の個数: 32

約数和(自身を含む): 1241602560

約数和(自身を除く): 690212920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1471, 2942, 5884, 7355, 9371, 11768, 14710, 18742, 29420, 37484, 46855, 58840, 74968, 93710, 187420, 374840, 13784741, 27569482, 55138964, 68923705, 110277928, 137847410, 275694820, 551389640]

約数ペア:

[(1, 551389640), (2, 275694820), (4, 137847410), (5, 110277928), (8, 68923705), (10, 55138964), (20, 27569482), (40, 13784741), (1471, 374840), (2942, 187420), (5884, 93710), (7355, 74968), (9371, 58840), (11768, 46855), (14710, 37484), (18742, 29420)]