68884360

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6217}}^1$

素因数の和:6505

約数の個数: 32

約数和(自身を含む): 155574360

約数和(自身を除く): 86690000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 6217, 11080, 12434, 24868, 31085, 49736, 62170, 124340, 248680, 1722109, 3444218, 6888436, 8610545, 13776872, 17221090, 34442180, 68884360]

約数ペア:

[(1, 68884360), (2, 34442180), (4, 17221090), (5, 13776872), (8, 8610545), (10, 6888436), (20, 3444218), (40, 1722109), (277, 248680), (554, 124340), (1108, 62170), (1385, 49736), (2216, 31085), (2770, 24868), (5540, 12434), (6217, 11080)]