127890672040

素因数分解:

$2^3\times 5^1\times {\mathrm{3197266801}}^1$

素因数の和:3197266812

約数の個数: 16

約数和(自身を含む): 287754012180

約数和(自身を除く): 159863340140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3197266801, 6394533602, 12789067204, 15986334005, 25578134408, 31972668010, 63945336020, 127890672040]

約数ペア:

[(1, 127890672040), (2, 63945336020), (4, 31972668010), (5, 25578134408), (8, 15986334005), (10, 12789067204), (20, 6394533602), (40, 3197266801)]