71370920

素因数分解:

$2^3\times 5^1\times {\mathrm{1784273}}^1$

素因数の和:1784284

約数の個数: 16

約数和(自身を含む): 160584660

約数和(自身を除く): 89213740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1784273, 3568546, 7137092, 8921365, 14274184, 17842730, 35685460, 71370920]

約数ペア:

[(1, 71370920), (2, 35685460), (4, 17842730), (5, 14274184), (8, 8921365), (10, 7137092), (20, 3568546), (40, 1784273)]