56274920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3546

約数の個数: 64

約数和(自身を含む): 140797440

約数和(自身を除く): 84522520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 3491, 4030, 6982, 8060, 13964, 16120, 17455, 27928, 34910, 45383, 69820, 90766, 108221, 139640, 181532, 216442, 226915, 363064, 432884, 453830, 541105, 865768, 907660, 1082210, 1406873, 1815320, 2164420, 2813746, 4328840, 5627492, 7034365, 11254984, 14068730, 28137460, 56274920]

約数ペア:

[(1, 56274920), (2, 28137460), (4, 14068730), (5, 11254984), (8, 7034365), (10, 5627492), (13, 4328840), (20, 2813746), (26, 2164420), (31, 1815320), (40, 1406873), (52, 1082210), (62, 907660), (65, 865768), (104, 541105), (124, 453830), (130, 432884), (155, 363064), (248, 226915), (260, 216442), (310, 181532), (403, 139640), (520, 108221), (620, 90766), (806, 69820), (1240, 45383), (1612, 34910), (2015, 27928), (3224, 17455), (3491, 16120), (4030, 13964), (6982, 8060)]