54678820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16981}}^1$

素因数の和:17020

約数の個数: 48

約数和(自身を含む): 136942848

約数和(自身を除く): 82264028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 16981, 33962, 67924, 84905, 118867, 169810, 237734, 339620, 390563, 475468, 594335, 781126, 1188670, 1562252, 1952815, 2377340, 2733941, 3905630, 5467882, 7811260, 10935764, 13669705, 27339410, 54678820]

約数ペア:

[(1, 54678820), (2, 27339410), (4, 13669705), (5, 10935764), (7, 7811260), (10, 5467882), (14, 3905630), (20, 2733941), (23, 2377340), (28, 1952815), (35, 1562252), (46, 1188670), (70, 781126), (92, 594335), (115, 475468), (140, 390563), (161, 339620), (230, 237734), (322, 169810), (460, 118867), (644, 84905), (805, 67924), (1610, 33962), (3220, 16981)]