71556620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{45289}}^1$

素因数の和:45377

約数の個数: 24

約数和(自身を含む): 152174400

約数和(自身を除く): 80617780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 45289, 90578, 181156, 226445, 452890, 905780, 3577831, 7155662, 14311324, 17889155, 35778310, 71556620]

約数ペア:

[(1, 71556620), (2, 35778310), (4, 17889155), (5, 14311324), (10, 7155662), (20, 3577831), (79, 905780), (158, 452890), (316, 226445), (395, 181156), (790, 90578), (1580, 45289)]