31854380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20161}}^1$

素因数の和:20249

約数の個数: 24

約数和(自身を含む): 67744320

約数和(自身を除く): 35889940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 20161, 40322, 80644, 100805, 201610, 403220, 1592719, 3185438, 6370876, 7963595, 15927190, 31854380]

約数ペア:

[(1, 31854380), (2, 15927190), (4, 7963595), (5, 6370876), (10, 3185438), (20, 1592719), (79, 403220), (158, 201610), (316, 100805), (395, 80644), (790, 40322), (1580, 20161)]