66367960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23369}}^1$

素因数の和:23451

約数の個数: 32

約数和(自身を含む): 151437600

約数和(自身を除く): 85069640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 23369, 46738, 93476, 116845, 186952, 233690, 467380, 934760, 1659199, 3318398, 6636796, 8295995, 13273592, 16591990, 33183980, 66367960]

約数ペア:

[(1, 66367960), (2, 33183980), (4, 16591990), (5, 13273592), (8, 8295995), (10, 6636796), (20, 3318398), (40, 1659199), (71, 934760), (142, 467380), (284, 233690), (355, 186952), (568, 116845), (710, 93476), (1420, 46738), (2840, 23369)]