22320560

素因数分解:

$2^4\times 5^1\times {\mathrm{279007}}^1$

素因数の和:279020

約数の個数: 20

約数和(自身を含む): 51895488

約数和(自身を除く): 29574928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 279007, 558014, 1116028, 1395035, 2232056, 2790070, 4464112, 5580140, 11160280, 22320560]

約数ペア:

[(1, 22320560), (2, 11160280), (4, 5580140), (5, 4464112), (8, 2790070), (10, 2232056), (16, 1395035), (20, 1116028), (40, 558014), (80, 279007)]