12505820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 27349056

約数和(自身を除く): 14843236

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 151, 164, 202, 205, 302, 404, 410, 505, 604, 755, 820, 1010, 1510, 2020, 3020, 4141, 6191, 8282, 12382, 15251, 16564, 20705, 24764, 30502, 30955, 41410, 61004, 61910, 76255, 82820, 123820, 152510, 305020, 625291, 1250582, 2501164, 3126455, 6252910, 12505820]

約数ペア:

[(1, 12505820), (2, 6252910), (4, 3126455), (5, 2501164), (10, 1250582), (20, 625291), (41, 305020), (82, 152510), (101, 123820), (151, 82820), (164, 76255), (202, 61910), (205, 61004), (302, 41410), (404, 30955), (410, 30502), (505, 24764), (604, 20705), (755, 16564), (820, 15251), (1010, 12382), (1510, 8282), (2020, 6191), (3020, 4141)]