40280120

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2657}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 90903600

約数和(自身を除く): 50623480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 2657, 3032, 3790, 5314, 7580, 10628, 13285, 15160, 21256, 26570, 53140, 106280, 1007003, 2014006, 4028012, 5035015, 8056024, 10070030, 20140060, 40280120]

約数ペア:

[(1, 40280120), (2, 20140060), (4, 10070030), (5, 8056024), (8, 5035015), (10, 4028012), (20, 2014006), (40, 1007003), (379, 106280), (758, 53140), (1516, 26570), (1895, 21256), (2657, 15160), (3032, 13285), (3790, 10628), (5314, 7580)]