87081380

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{7817}}^1$

素因数の和:8383

約数の個数: 24

約数和(自身を含む): 183222648

約数和(自身を除く): 96141268

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 7817, 11140, 15634, 31268, 39085, 78170, 156340, 4354069, 8708138, 17416276, 21770345, 43540690, 87081380]

約数ペア:

[(1, 87081380), (2, 43540690), (4, 21770345), (5, 17416276), (10, 8708138), (20, 4354069), (557, 156340), (1114, 78170), (2228, 39085), (2785, 31268), (5570, 15634), (7817, 11140)]