89898640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86441}}^1$

素因数の和:86467

約数の個数: 40

約数和(自身を含む): 225094968

約数和(自身を除く): 135196328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 86441, 172882, 345764, 432205, 691528, 864410, 1123733, 1383056, 1728820, 2247466, 3457640, 4494932, 5618665, 6915280, 8989864, 11237330, 17979728, 22474660, 44949320, 89898640]

約数ペア:

[(1, 89898640), (2, 44949320), (4, 22474660), (5, 17979728), (8, 11237330), (10, 8989864), (13, 6915280), (16, 5618665), (20, 4494932), (26, 3457640), (40, 2247466), (52, 1728820), (65, 1383056), (80, 1123733), (104, 864410), (130, 691528), (208, 432205), (260, 345764), (520, 172882), (1040, 86441)]