260990260

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{21713}}^1$

素因数の和:22323

約数の個数: 24

約数和(自身を含む): 549016776

約数和(自身を除く): 288026516

約数列:

[1, 2, 4, 5, 10, 20, 601, 1202, 2404, 3005, 6010, 12020, 21713, 43426, 86852, 108565, 217130, 434260, 13049513, 26099026, 52198052, 65247565, 130495130, 260990260]

約数ペア:

[(1, 260990260), (2, 130495130), (4, 65247565), (5, 52198052), (10, 26099026), (20, 13049513), (601, 434260), (1202, 217130), (2404, 108565), (3005, 86852), (6010, 43426), (12020, 21713)]