25717460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 30166060

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 109, 188, 218, 235, 251, 436, 470, 502, 545, 940, 1004, 1090, 1255, 2180, 2510, 5020, 5123, 10246, 11797, 20492, 23594, 25615, 27359, 47188, 51230, 54718, 58985, 102460, 109436, 117970, 136795, 235940, 273590, 547180, 1285873, 2571746, 5143492, 6429365, 12858730, 25717460]

約数ペア:

[(1, 25717460), (2, 12858730), (4, 6429365), (5, 5143492), (10, 2571746), (20, 1285873), (47, 547180), (94, 273590), (109, 235940), (188, 136795), (218, 117970), (235, 109436), (251, 102460), (436, 58985), (470, 54718), (502, 51230), (545, 47188), (940, 27359), (1004, 25615), (1090, 23594), (1255, 20492), (2180, 11797), (2510, 10246), (5020, 5123)]