28053260

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{13109}}^1$

素因数の和:13225

約数の個数: 24

約数和(自身を含む): 59466960

約数和(自身を除く): 31413700

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 13109, 26218, 52436, 65545, 131090, 262180, 1402663, 2805326, 5610652, 7013315, 14026630, 28053260]

約数ペア:

[(1, 28053260), (2, 14026630), (4, 7013315), (5, 5610652), (10, 2805326), (20, 1402663), (107, 262180), (214, 131090), (428, 65545), (535, 52436), (1070, 26218), (2140, 13109)]