66065960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53279}}^1$

素因数の和:53321

約数の個数: 32

約数和(自身を含む): 153446400

約数和(自身を除く): 87380440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53279, 106558, 213116, 266395, 426232, 532790, 1065580, 1651649, 2131160, 3303298, 6606596, 8258245, 13213192, 16516490, 33032980, 66065960]

約数ペア:

[(1, 66065960), (2, 33032980), (4, 16516490), (5, 13213192), (8, 8258245), (10, 6606596), (20, 3303298), (31, 2131160), (40, 1651649), (62, 1065580), (124, 532790), (155, 426232), (248, 266395), (310, 213116), (620, 106558), (1240, 53279)]