156940368490

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{39137249}}^1$

素因数の和:39137657

約数の個数: 16

約数和(自身を含む): 283197141000

約数和(自身を除く): 126256772510

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 39137249, 78274498, 195686245, 391372490, 15694036849, 31388073698, 78470184245, 156940368490]

約数ペア:

[(1, 156940368490), (2, 78470184245), (5, 31388073698), (10, 15694036849), (401, 391372490), (802, 195686245), (2005, 78274498), (4010, 39137249)]