80560240

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2657}}^1$

素因数の和:3049

約数の個数: 40

約数和(自身を含む): 187867440

約数和(自身を除く): 107307200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 1516, 1895, 2657, 3032, 3790, 5314, 6064, 7580, 10628, 13285, 15160, 21256, 26570, 30320, 42512, 53140, 106280, 212560, 1007003, 2014006, 4028012, 5035015, 8056024, 10070030, 16112048, 20140060, 40280120, 80560240]

約数ペア:

[(1, 80560240), (2, 40280120), (4, 20140060), (5, 16112048), (8, 10070030), (10, 8056024), (16, 5035015), (20, 4028012), (40, 2014006), (80, 1007003), (379, 212560), (758, 106280), (1516, 53140), (1895, 42512), (2657, 30320), (3032, 26570), (3790, 21256), (5314, 15160), (6064, 13285), (7580, 10628)]