208045360

素因数分解:

$2^4\times 5^1\times {\mathrm{2600567}}^1$

素因数の和:2600580

約数の個数: 20

約数和(自身を含む): 483705648

約数和(自身を除く): 275660288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600567, 5201134, 10402268, 13002835, 20804536, 26005670, 41609072, 52011340, 104022680, 208045360]

約数ペア:

[(1, 208045360), (2, 104022680), (4, 52011340), (5, 41609072), (8, 26005670), (10, 20804536), (16, 13002835), (20, 10402268), (40, 5201134), (80, 2600567)]