87062120

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7691}}^1$

素因数の和:7985

約数の個数: 32

約数和(自身を含む): 196607520

約数和(自身を除く): 109545400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 7691, 11320, 15382, 30764, 38455, 61528, 76910, 153820, 307640, 2176553, 4353106, 8706212, 10882765, 17412424, 21765530, 43531060, 87062120]

約数ペア:

[(1, 87062120), (2, 43531060), (4, 21765530), (5, 17412424), (8, 10882765), (10, 8706212), (20, 4353106), (40, 2176553), (283, 307640), (566, 153820), (1132, 76910), (1415, 61528), (2264, 38455), (2830, 30764), (5660, 15382), (7691, 11320)]