1118840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 2555280

約数和(自身を除く): 1436440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 337, 415, 664, 674, 830, 1348, 1660, 1685, 2696, 3320, 3370, 6740, 13480, 27971, 55942, 111884, 139855, 223768, 279710, 559420, 1118840]

約数ペア:

[(1, 1118840), (2, 559420), (4, 279710), (5, 223768), (8, 139855), (10, 111884), (20, 55942), (40, 27971), (83, 13480), (166, 6740), (332, 3370), (337, 3320), (415, 2696), (664, 1685), (674, 1660), (830, 1348)]