8691160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 20782080

約数和(自身を除く): 12090920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 163, 172, 215, 248, 310, 326, 344, 430, 620, 652, 815, 860, 1240, 1304, 1333, 1630, 1720, 2666, 3260, 5053, 5332, 6520, 6665, 7009, 10106, 10664, 13330, 14018, 20212, 25265, 26660, 28036, 35045, 40424, 50530, 53320, 56072, 70090, 101060, 140180, 202120, 217279, 280360, 434558, 869116, 1086395, 1738232, 2172790, 4345580, 8691160]

約数ペア:

[(1, 8691160), (2, 4345580), (4, 2172790), (5, 1738232), (8, 1086395), (10, 869116), (20, 434558), (31, 280360), (40, 217279), (43, 202120), (62, 140180), (86, 101060), (124, 70090), (155, 56072), (163, 53320), (172, 50530), (215, 40424), (248, 35045), (310, 28036), (326, 26660), (344, 25265), (430, 20212), (620, 14018), (652, 13330), (815, 10664), (860, 10106), (1240, 7009), (1304, 6665), (1333, 6520), (1630, 5332), (1720, 5053), (2666, 3260)]