25775480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3271}}^1$

素因数の和:3479

約数の個数: 32

約数和(自身を含む): 58307040

約数和(自身を除く): 32531560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3271, 3940, 6542, 7880, 13084, 16355, 26168, 32710, 65420, 130840, 644387, 1288774, 2577548, 3221935, 5155096, 6443870, 12887740, 25775480]

約数ペア:

[(1, 25775480), (2, 12887740), (4, 6443870), (5, 5155096), (8, 3221935), (10, 2577548), (20, 1288774), (40, 644387), (197, 130840), (394, 65420), (788, 32710), (985, 26168), (1576, 16355), (1970, 13084), (3271, 7880), (3940, 6542)]