22578260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10357}}^1$

素因数の和:10475

約数の個数: 24

約数和(自身を含む): 47853960

約数和(自身を除く): 25275700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 10357, 20714, 41428, 51785, 103570, 207140, 1128913, 2257826, 4515652, 5644565, 11289130, 22578260]

約数ペア:

[(1, 22578260), (2, 11289130), (4, 5644565), (5, 4515652), (10, 2257826), (20, 1128913), (109, 207140), (218, 103570), (436, 51785), (545, 41428), (1090, 20714), (2180, 10357)]