72051020

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2239}}^1$

素因数の和:3857

約数の個数: 24

約数和(自身を含む): 151468800

約数和(自身を除く): 79417780

約数列:

[1, 2, 4, 5, 10, 20, 1609, 2239, 3218, 4478, 6436, 8045, 8956, 11195, 16090, 22390, 32180, 44780, 3602551, 7205102, 14410204, 18012755, 36025510, 72051020]

約数ペア:

[(1, 72051020), (2, 36025510), (4, 18012755), (5, 14410204), (10, 7205102), (20, 3602551), (1609, 44780), (2239, 32180), (3218, 22390), (4478, 16090), (6436, 11195), (8045, 8956)]