25284880

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2797}}^1$

素因数の和:2923

約数の個数: 40

約数和(自身を含む): 59328792

約数和(自身を除く): 34043912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 2797, 4520, 5594, 9040, 11188, 13985, 22376, 27970, 44752, 55940, 111880, 223760, 316061, 632122, 1264244, 1580305, 2528488, 3160610, 5056976, 6321220, 12642440, 25284880]

約数ペア:

[(1, 25284880), (2, 12642440), (4, 6321220), (5, 5056976), (8, 3160610), (10, 2528488), (16, 1580305), (20, 1264244), (40, 632122), (80, 316061), (113, 223760), (226, 111880), (452, 55940), (565, 44752), (904, 27970), (1130, 22376), (1808, 13985), (2260, 11188), (2797, 9040), (4520, 5594)]