80875010

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{15889}}^1$

素因数の和:16405

約数の個数: 16

約数和(自身を含む): 145870200

約数和(自身を除く): 64995190

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 15889, 31778, 79445, 158890, 8087501, 16175002, 40437505, 80875010]

約数ペア:

[(1, 80875010), (2, 40437505), (5, 16175002), (10, 8087501), (509, 158890), (1018, 79445), (2545, 31778), (5090, 15889)]