85187240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23929}}^1$

素因数の和:24029

約数の個数: 32

約数和(自身を含む): 193833000

約数和(自身を除く): 108645760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23929, 47858, 95716, 119645, 191432, 239290, 478580, 957160, 2129681, 4259362, 8518724, 10648405, 17037448, 21296810, 42593620, 85187240]

約数ペア:

[(1, 85187240), (2, 42593620), (4, 21296810), (5, 17037448), (8, 10648405), (10, 8518724), (20, 4259362), (40, 2129681), (89, 957160), (178, 478580), (356, 239290), (445, 191432), (712, 119645), (890, 95716), (1780, 47858), (3560, 23929)]