40896280

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3691}}^1$

素因数の和:3979

約数の個数: 32

約数和(自身を含む): 92373840

約数和(自身を除く): 51477560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 3691, 5540, 7382, 11080, 14764, 18455, 29528, 36910, 73820, 147640, 1022407, 2044814, 4089628, 5112035, 8179256, 10224070, 20448140, 40896280]

約数ペア:

[(1, 40896280), (2, 20448140), (4, 10224070), (5, 8179256), (8, 5112035), (10, 4089628), (20, 2044814), (40, 1022407), (277, 147640), (554, 73820), (1108, 36910), (1385, 29528), (2216, 18455), (2770, 14764), (3691, 11080), (5540, 7382)]