71993620

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13687}}^1$

素因数の和:13959

約数の個数: 24

約数和(自身を含む): 151772544

約数和(自身を除く): 79778924

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 13687, 27374, 54748, 68435, 136870, 273740, 3599681, 7199362, 14398724, 17998405, 35996810, 71993620]

約数ペア:

[(1, 71993620), (2, 35996810), (4, 17998405), (5, 14398724), (10, 7199362), (20, 3599681), (263, 273740), (526, 136870), (1052, 68435), (1315, 54748), (2630, 27374), (5260, 13687)]