13557980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8581}}^1$

素因数の和:8669

約数の個数: 24

約数和(自身を含む): 28835520

約数和(自身を除く): 15277540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8581, 17162, 34324, 42905, 85810, 171620, 677899, 1355798, 2711596, 3389495, 6778990, 13557980]

約数ペア:

[(1, 13557980), (2, 6778990), (4, 3389495), (5, 2711596), (10, 1355798), (20, 677899), (79, 171620), (158, 85810), (316, 42905), (395, 34324), (790, 17162), (1580, 8581)]