86948920

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7681}}^1$

素因数の和:7975

約数の個数: 32

約数和(自身を含む): 196351920

約数和(自身を除く): 109403000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 7681, 11320, 15362, 30724, 38405, 61448, 76810, 153620, 307240, 2173723, 4347446, 8694892, 10868615, 17389784, 21737230, 43474460, 86948920]

約数ペア:

[(1, 86948920), (2, 43474460), (4, 21737230), (5, 17389784), (8, 10868615), (10, 8694892), (20, 4347446), (40, 2173723), (283, 307240), (566, 153620), (1132, 76810), (1415, 61448), (2264, 38405), (2830, 30724), (5660, 15362), (7681, 11320)]