221350405960

素因数分解:

$2^3\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{4189069}}^1$

素因数の和:4190401

約数の個数: 32

約数和(自身を含む): 498415548600

約数和(自身を除く): 277065142640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1321, 2642, 5284, 6605, 10568, 13210, 26420, 52840, 4189069, 8378138, 16756276, 20945345, 33512552, 41890690, 83781380, 167562760, 5533760149, 11067520298, 22135040596, 27668800745, 44270081192, 55337601490, 110675202980, 221350405960]

約数ペア:

[(1, 221350405960), (2, 110675202980), (4, 55337601490), (5, 44270081192), (8, 27668800745), (10, 22135040596), (20, 11067520298), (40, 5533760149), (1321, 167562760), (2642, 83781380), (5284, 41890690), (6605, 33512552), (10568, 20945345), (13210, 16756276), (26420, 8378138), (52840, 4189069)]