57800980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{70489}}^1$

素因数の和:70539

約数の個数: 24

約数和(自身を含む): 124344360

約数和(自身を除く): 66543380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 70489, 140978, 281956, 352445, 704890, 1409780, 2890049, 5780098, 11560196, 14450245, 28900490, 57800980]

約数ペア:

[(1, 57800980), (2, 28900490), (4, 14450245), (5, 11560196), (10, 5780098), (20, 2890049), (41, 1409780), (82, 704890), (164, 352445), (205, 281956), (410, 140978), (820, 70489)]