313610680

素因数分解:

$2^3\times 5^1\times {\mathrm{7840267}}^1$

素因数の和:7840278

約数の個数: 16

約数和(自身を含む): 705624120

約数和(自身を除く): 392013440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7840267, 15680534, 31361068, 39201335, 62722136, 78402670, 156805340, 313610680]

約数ペア:

[(1, 313610680), (2, 156805340), (4, 78402670), (5, 62722136), (8, 39201335), (10, 31361068), (20, 15680534), (40, 7840267)]