2494820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1579}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 5308800

約数和(自身を除く): 2813980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1579, 1580, 3158, 6316, 7895, 15790, 31580, 124741, 249482, 498964, 623705, 1247410, 2494820]

約数ペア:

[(1, 2494820), (2, 1247410), (4, 623705), (5, 498964), (10, 249482), (20, 124741), (79, 31580), (158, 15790), (316, 7895), (395, 6316), (790, 3158), (1579, 1580)]