131446250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{8089}}^1$

素因数の和:8124

約数の個数: 40

約数和(自身を含む): 265368180

約数和(自身を除く): 133921930

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8089, 8125, 16178, 16250, 40445, 80890, 105157, 202225, 210314, 404450, 525785, 1011125, 1051570, 2022250, 2628925, 5055625, 5257850, 10111250, 13144625, 26289250, 65723125, 131446250]

約数ペア:

[(1, 131446250), (2, 65723125), (5, 26289250), (10, 13144625), (13, 10111250), (25, 5257850), (26, 5055625), (50, 2628925), (65, 2022250), (125, 1051570), (130, 1011125), (250, 525785), (325, 404450), (625, 210314), (650, 202225), (1250, 105157), (1625, 80890), (3250, 40445), (8089, 16250), (8125, 16178)]