1854320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1783}}^1$

素因数の和:1809

約数の個数: 40

約数和(自身を含む): 4645536

約数和(自身を除く): 2791216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1783, 3566, 7132, 8915, 14264, 17830, 23179, 28528, 35660, 46358, 71320, 92716, 115895, 142640, 185432, 231790, 370864, 463580, 927160, 1854320]

約数ペア:

[(1, 1854320), (2, 927160), (4, 463580), (5, 370864), (8, 231790), (10, 185432), (13, 142640), (16, 115895), (20, 92716), (26, 71320), (40, 46358), (52, 35660), (65, 28528), (80, 23179), (104, 17830), (130, 14264), (208, 8915), (260, 7132), (520, 3566), (1040, 1783)]