25258040

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{967}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 56976480

約数和(自身を除く): 31718440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 967, 1306, 1934, 2612, 3265, 3868, 4835, 5224, 6530, 7736, 9670, 13060, 19340, 26120, 38680, 631451, 1262902, 2525804, 3157255, 5051608, 6314510, 12629020, 25258040]

約数ペア:

[(1, 25258040), (2, 12629020), (4, 6314510), (5, 5051608), (8, 3157255), (10, 2525804), (20, 1262902), (40, 631451), (653, 38680), (967, 26120), (1306, 19340), (1934, 13060), (2612, 9670), (3265, 7736), (3868, 6530), (4835, 5224)]