31712920

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1831}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 71557920

約数和(自身を除く): 39845000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 1831, 2165, 3464, 3662, 4330, 7324, 8660, 9155, 14648, 17320, 18310, 36620, 73240, 792823, 1585646, 3171292, 3964115, 6342584, 7928230, 15856460, 31712920]

約数ペア:

[(1, 31712920), (2, 15856460), (4, 7928230), (5, 6342584), (8, 3964115), (10, 3171292), (20, 1585646), (40, 792823), (433, 73240), (866, 36620), (1732, 18310), (1831, 17320), (2165, 14648), (3464, 9155), (3662, 8660), (4330, 7324)]