39920912

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{31583}}^1$

素因数の和:31670

約数の個数: 20

約数和(自身を含む): 78328320

約数和(自身を除く): 38407408

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 31583, 63166, 126332, 252664, 505328, 2495057, 4990114, 9980228, 19960456, 39920912]

約数ペア:

[(1, 39920912), (2, 19960456), (4, 9980228), (8, 4990114), (16, 2495057), (79, 505328), (158, 252664), (316, 126332), (632, 63166), (1264, 31583)]