4248980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12497}}^1$

素因数の和:12523

約数の個数: 24

約数和(自身を含む): 9448488

約数和(自身を除く): 5199508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 12497, 24994, 49988, 62485, 124970, 212449, 249940, 424898, 849796, 1062245, 2124490, 4248980]

約数ペア:

[(1, 4248980), (2, 2124490), (4, 1062245), (5, 849796), (10, 424898), (17, 249940), (20, 212449), (34, 124970), (68, 62485), (85, 49988), (170, 24994), (340, 12497)]