81684010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281669}}^1$

素因数の和:281705

約数の個数: 16

約数和(自身を含む): 152101800

約数和(自身を除く): 70417790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 281669, 563338, 1408345, 2816690, 8168401, 16336802, 40842005, 81684010]

約数ペア:

[(1, 81684010), (2, 40842005), (5, 16336802), (10, 8168401), (29, 2816690), (58, 1408345), (145, 563338), (290, 281669)]