61796620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{22229}}^1$

素因数の和:22377

約数の個数: 24

約数和(自身を含む): 130712400

約数和(自身を除く): 68915780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 22229, 44458, 88916, 111145, 222290, 444580, 3089831, 6179662, 12359324, 15449155, 30898310, 61796620]

約数ペア:

[(1, 61796620), (2, 30898310), (4, 15449155), (5, 12359324), (10, 6179662), (20, 3089831), (139, 444580), (278, 222290), (556, 111145), (695, 88916), (1390, 44458), (2780, 22229)]