2215695320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{508187}}^1$

素因数の和:508307

約数の個数: 32

約数和(自身を含む): 5031061200

約数和(自身を除く): 2815365880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 508187, 1016374, 2032748, 2540935, 4065496, 5081870, 10163740, 20327480, 55392383, 110784766, 221569532, 276961915, 443139064, 553923830, 1107847660, 2215695320]

約数ペア:

[(1, 2215695320), (2, 1107847660), (4, 553923830), (5, 443139064), (8, 276961915), (10, 221569532), (20, 110784766), (40, 55392383), (109, 20327480), (218, 10163740), (436, 5081870), (545, 4065496), (872, 2540935), (1090, 2032748), (2180, 1016374), (4360, 508187)]