25351180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1319}}^1$

素因数の和:1390

約数の個数: 36

約数和(自身を含む): 55051920

約数和(自身を除く): 29700740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1319, 1922, 2638, 3844, 4805, 5276, 6595, 9610, 13190, 19220, 26380, 40889, 81778, 163556, 204445, 408890, 817780, 1267559, 2535118, 5070236, 6337795, 12675590, 25351180]

約数ペア:

[(1, 25351180), (2, 12675590), (4, 6337795), (5, 5070236), (10, 2535118), (20, 1267559), (31, 817780), (62, 408890), (124, 204445), (155, 163556), (310, 81778), (620, 40889), (961, 26380), (1319, 19220), (1922, 13190), (2638, 9610), (3844, 6595), (4805, 5276)]