40750120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 96422400

約数和(自身を除く): 55672280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 472, 557, 590, 620, 1114, 1180, 1240, 1829, 2228, 2360, 2785, 3658, 4456, 5570, 7316, 9145, 11140, 14632, 17267, 18290, 22280, 32863, 34534, 36580, 65726, 69068, 73160, 86335, 131452, 138136, 164315, 172670, 262904, 328630, 345340, 657260, 690680, 1018753, 1314520, 2037506, 4075012, 5093765, 8150024, 10187530, 20375060, 40750120]

約数ペア:

[(1, 40750120), (2, 20375060), (4, 10187530), (5, 8150024), (8, 5093765), (10, 4075012), (20, 2037506), (31, 1314520), (40, 1018753), (59, 690680), (62, 657260), (118, 345340), (124, 328630), (155, 262904), (236, 172670), (248, 164315), (295, 138136), (310, 131452), (472, 86335), (557, 73160), (590, 69068), (620, 65726), (1114, 36580), (1180, 34534), (1240, 32863), (1829, 22280), (2228, 18290), (2360, 17267), (2785, 14632), (3658, 11140), (4456, 9145), (5570, 7316)]