920739170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{35591}}^1$

素因数の和:35810

約数の個数: 32

約数和(自身を含む): 1793836800

約数和(自身を除く): 873097630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 25870, 35591, 71182, 177955, 355910, 462683, 925366, 2313415, 4626830, 7082609, 14165218, 35413045, 70826090, 92073917, 184147834, 460369585, 920739170]

約数ペア:

[(1, 920739170), (2, 460369585), (5, 184147834), (10, 92073917), (13, 70826090), (26, 35413045), (65, 14165218), (130, 7082609), (199, 4626830), (398, 2313415), (995, 925366), (1990, 462683), (2587, 355910), (5174, 177955), (12935, 71182), (25870, 35591)]