85988810

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 157883904

約数和(自身を除く): 71895094

約数列:

[1, 2, 5, 10, 71, 142, 281, 355, 431, 562, 710, 862, 1405, 2155, 2810, 4310, 19951, 30601, 39902, 61202, 99755, 121111, 153005, 199510, 242222, 306010, 605555, 1211110, 8598881, 17197762, 42994405, 85988810]

約数ペア:

[(1, 85988810), (2, 42994405), (5, 17197762), (10, 8598881), (71, 1211110), (142, 605555), (281, 306010), (355, 242222), (431, 199510), (562, 153005), (710, 121111), (862, 99755), (1405, 61202), (2155, 39902), (2810, 30601), (4310, 19951)]