71587280

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8363}}^1$

素因数の和:8483

約数の個数: 40

約数和(自身を含む): 168016032

約数和(自身を除く): 96428752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8363, 8560, 16726, 33452, 41815, 66904, 83630, 133808, 167260, 334520, 669040, 894841, 1789682, 3579364, 4474205, 7158728, 8948410, 14317456, 17896820, 35793640, 71587280]

約数ペア:

[(1, 71587280), (2, 35793640), (4, 17896820), (5, 14317456), (8, 8948410), (10, 7158728), (16, 4474205), (20, 3579364), (40, 1789682), (80, 894841), (107, 669040), (214, 334520), (428, 167260), (535, 133808), (856, 83630), (1070, 66904), (1712, 41815), (2140, 33452), (4280, 16726), (8363, 8560)]