313633480

素因数分解:

$2^3\times 5^1\times {\mathrm{7840837}}^1$

素因数の和:7840848

約数の個数: 16

約数和(自身を含む): 705675420

約数和(自身を除く): 392041940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7840837, 15681674, 31363348, 39204185, 62726696, 78408370, 156816740, 313633480]

約数ペア:

[(1, 313633480), (2, 156816740), (4, 78408370), (5, 62726696), (8, 39204185), (10, 31363348), (20, 15681674), (40, 7840837)]