2548580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2089}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 5442360

約数和(自身を除く): 2893780

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2089, 4178, 8356, 10445, 20890, 41780, 127429, 254858, 509716, 637145, 1274290, 2548580]

約数ペア:

[(1, 2548580), (2, 1274290), (4, 637145), (5, 509716), (10, 254858), (20, 127429), (61, 41780), (122, 20890), (244, 10445), (305, 8356), (610, 4178), (1220, 2089)]