80458460

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{11527}}^1$

素因数の和:11885

約数の個数: 24

約数和(自身を含む): 169461600

約数和(自身を除く): 89003140

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 11527, 23054, 46108, 57635, 115270, 230540, 4022923, 8045846, 16091692, 20114615, 40229230, 80458460]

約数ペア:

[(1, 80458460), (2, 40229230), (4, 20114615), (5, 16091692), (10, 8045846), (20, 4022923), (349, 230540), (698, 115270), (1396, 57635), (1745, 46108), (3490, 23054), (6980, 11527)]