68260120

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12277}}^1$

素因数の和:12427

約数の個数: 32

約数和(自身を含む): 154702800

約数和(自身を除く): 86442680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12277, 24554, 49108, 61385, 98216, 122770, 245540, 491080, 1706503, 3413006, 6826012, 8532515, 13652024, 17065030, 34130060, 68260120]

約数ペア:

[(1, 68260120), (2, 34130060), (4, 17065030), (5, 13652024), (8, 8532515), (10, 6826012), (20, 3413006), (40, 1706503), (139, 491080), (278, 245540), (556, 122770), (695, 98216), (1112, 61385), (1390, 49108), (2780, 24554), (5560, 12277)]