17660240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16981}}^1$

素因数の和:17007

約数の個数: 40

約数和(自身を含む): 44221128

約数和(自身を除く): 26560888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 16981, 33962, 67924, 84905, 135848, 169810, 220753, 271696, 339620, 441506, 679240, 883012, 1103765, 1358480, 1766024, 2207530, 3532048, 4415060, 8830120, 17660240]

約数ペア:

[(1, 17660240), (2, 8830120), (4, 4415060), (5, 3532048), (8, 2207530), (10, 1766024), (13, 1358480), (16, 1103765), (20, 883012), (26, 679240), (40, 441506), (52, 339620), (65, 271696), (80, 220753), (104, 169810), (130, 135848), (208, 84905), (260, 67924), (520, 33962), (1040, 16981)]