85730780

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{3929}}^1$

素因数の和:5029

約数の個数: 24

約数和(自身を含む): 180245520

約数和(自身を除く): 94514740

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 3929, 4364, 5455, 7858, 10910, 15716, 19645, 21820, 39290, 78580, 4286539, 8573078, 17146156, 21432695, 42865390, 85730780]

約数ペア:

[(1, 85730780), (2, 42865390), (4, 21432695), (5, 17146156), (10, 8573078), (20, 4286539), (1091, 78580), (2182, 39290), (3929, 21820), (4364, 19645), (5455, 15716), (7858, 10910)]