1323440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 40

約数和(自身を含む): 3133728

約数和(自身を除く): 1810288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 233, 284, 355, 466, 568, 710, 932, 1136, 1165, 1420, 1864, 2330, 2840, 3728, 4660, 5680, 9320, 16543, 18640, 33086, 66172, 82715, 132344, 165430, 264688, 330860, 661720, 1323440]

約数ペア:

[(1, 1323440), (2, 661720), (4, 330860), (5, 264688), (8, 165430), (10, 132344), (16, 82715), (20, 66172), (40, 33086), (71, 18640), (80, 16543), (142, 9320), (233, 5680), (284, 4660), (355, 3728), (466, 2840), (568, 2330), (710, 1864), (932, 1420), (1136, 1165)]