25757360

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{811}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 60110736

約数和(自身を除く): 34353376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 811, 1588, 1622, 1985, 3176, 3244, 3970, 4055, 6352, 6488, 7940, 8110, 12976, 15880, 16220, 31760, 32440, 64880, 321967, 643934, 1287868, 1609835, 2575736, 3219670, 5151472, 6439340, 12878680, 25757360]

約数ペア:

[(1, 25757360), (2, 12878680), (4, 6439340), (5, 5151472), (8, 3219670), (10, 2575736), (16, 1609835), (20, 1287868), (40, 643934), (80, 321967), (397, 64880), (794, 32440), (811, 31760), (1588, 16220), (1622, 15880), (1985, 12976), (3176, 8110), (3244, 7940), (3970, 6488), (4055, 6352)]