4020550

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:624

約数の個数: 24

約数和(自身を含む): 7535232

約数和(自身を除く): 3514682

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 421, 842, 955, 1910, 2105, 4210, 4775, 9550, 10525, 21050, 80411, 160822, 402055, 804110, 2010275, 4020550]

約数ペア:

[(1, 4020550), (2, 2010275), (5, 804110), (10, 402055), (25, 160822), (50, 80411), (191, 21050), (382, 10525), (421, 9550), (842, 4775), (955, 4210), (1910, 2105)]