9561620

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1229}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 20147400

約数和(自身を除く): 10585780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1229, 1556, 1945, 2458, 3890, 4916, 6145, 7780, 12290, 24580, 478081, 956162, 1912324, 2390405, 4780810, 9561620]

約数ペア:

[(1, 9561620), (2, 4780810), (4, 2390405), (5, 1912324), (10, 956162), (20, 478081), (389, 24580), (778, 12290), (1229, 7780), (1556, 6145), (1945, 4916), (2458, 3890)]