22257440

素因数分解:

$2^5\times 5^1\times {\mathrm{139109}}^1$

素因数の和:139124

約数の個数: 24

約数和(自身を含む): 52583580

約数和(自身を除く): 30326140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 139109, 278218, 556436, 695545, 1112872, 1391090, 2225744, 2782180, 4451488, 5564360, 11128720, 22257440]

約数ペア:

[(1, 22257440), (2, 11128720), (4, 5564360), (5, 4451488), (8, 2782180), (10, 2225744), (16, 1391090), (20, 1112872), (32, 695545), (40, 556436), (80, 278218), (160, 139109)]