328481960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{72673}}^1$

素因数の和:72797

約数の個数: 32

約数和(自身を含む): 745635240

約数和(自身を除く): 417153280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 72673, 145346, 290692, 363365, 581384, 726730, 1453460, 2906920, 8212049, 16424098, 32848196, 41060245, 65696392, 82120490, 164240980, 328481960]

約数ペア:

[(1, 328481960), (2, 164240980), (4, 82120490), (5, 65696392), (8, 41060245), (10, 32848196), (20, 16424098), (40, 8212049), (113, 2906920), (226, 1453460), (452, 726730), (565, 581384), (904, 363365), (1130, 290692), (2260, 145346), (4520, 72673)]