72955760

素因数分解:

$2^4\times 5^1\times {\mathrm{911947}}^1$

素因数の和:911960

約数の個数: 20

約数和(自身を含む): 169622328

約数和(自身を除く): 96666568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911947, 1823894, 3647788, 4559735, 7295576, 9119470, 14591152, 18238940, 36477880, 72955760]

約数ペア:

[(1, 72955760), (2, 36477880), (4, 18238940), (5, 14591152), (8, 9119470), (10, 7295576), (16, 4559735), (20, 3647788), (40, 1823894), (80, 911947)]