87905480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{169049}}^1$

素因数の和:169073

約数の個数: 32

約数和(自身を含む): 213003000

約数和(自身を除く): 125097520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 169049, 338098, 676196, 845245, 1352392, 1690490, 2197637, 3380980, 4395274, 6761960, 8790548, 10988185, 17581096, 21976370, 43952740, 87905480]

約数ペア:

[(1, 87905480), (2, 43952740), (4, 21976370), (5, 17581096), (8, 10988185), (10, 8790548), (13, 6761960), (20, 4395274), (26, 3380980), (40, 2197637), (52, 1690490), (65, 1352392), (104, 845245), (130, 676196), (260, 338098), (520, 169049)]