86931560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{74941}}^1$

素因数の和:74981

約数の個数: 32

約数和(自身を含む): 202343400

約数和(自身を除く): 115411840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 74941, 149882, 299764, 374705, 599528, 749410, 1498820, 2173289, 2997640, 4346578, 8693156, 10866445, 17386312, 21732890, 43465780, 86931560]

約数ペア:

[(1, 86931560), (2, 43465780), (4, 21732890), (5, 17386312), (8, 10866445), (10, 8693156), (20, 4346578), (29, 2997640), (40, 2173289), (58, 1498820), (116, 749410), (145, 599528), (232, 374705), (290, 299764), (580, 149882), (1160, 74941)]