2907920

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 6832896

約数和(自身を除く): 3924976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 223, 326, 446, 652, 815, 892, 1115, 1304, 1630, 1784, 2230, 2608, 3260, 3568, 4460, 6520, 8920, 13040, 17840, 36349, 72698, 145396, 181745, 290792, 363490, 581584, 726980, 1453960, 2907920]

約数ペア:

[(1, 2907920), (2, 1453960), (4, 726980), (5, 581584), (8, 363490), (10, 290792), (16, 181745), (20, 145396), (40, 72698), (80, 36349), (163, 17840), (223, 13040), (326, 8920), (446, 6520), (652, 4460), (815, 3568), (892, 3260), (1115, 2608), (1304, 2230), (1630, 1784)]