201980720

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{22343}}^1$

素因数の和:22469

約数の個数: 40

約数和(自身を含む): 473782176

約数和(自身を除く): 271801456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 22343, 44686, 89372, 111715, 178744, 223430, 357488, 446860, 893720, 1787440, 2524759, 5049518, 10099036, 12623795, 20198072, 25247590, 40396144, 50495180, 100990360, 201980720]

約数ペア:

[(1, 201980720), (2, 100990360), (4, 50495180), (5, 40396144), (8, 25247590), (10, 20198072), (16, 12623795), (20, 10099036), (40, 5049518), (80, 2524759), (113, 1787440), (226, 893720), (452, 446860), (565, 357488), (904, 223430), (1130, 178744), (1808, 111715), (2260, 89372), (4520, 44686), (9040, 22343)]