258968980

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{9907}}^1$

素因数の和:11223

約数の個数: 24

約数和(自身を含む): 544305888

約数和(自身を除く): 285336908

約数列:

[1, 2, 4, 5, 10, 20, 1307, 2614, 5228, 6535, 9907, 13070, 19814, 26140, 39628, 49535, 99070, 198140, 12948449, 25896898, 51793796, 64742245, 129484490, 258968980]

約数ペア:

[(1, 258968980), (2, 129484490), (4, 64742245), (5, 51793796), (10, 25896898), (20, 12948449), (1307, 198140), (2614, 99070), (5228, 49535), (6535, 39628), (9907, 26140), (13070, 19814)]