13209580

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1471}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 27820800

約数和(自身を除く): 14611220

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1471, 1796, 2245, 2942, 4490, 5884, 7355, 8980, 14710, 29420, 660479, 1320958, 2641916, 3302395, 6604790, 13209580]

約数ペア:

[(1, 13209580), (2, 6604790), (4, 3302395), (5, 2641916), (10, 1320958), (20, 660479), (449, 29420), (898, 14710), (1471, 8980), (1796, 7355), (2245, 5884), (2942, 4490)]