89444680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{172009}}^1$

素因数の和:172033

約数の個数: 32

約数和(自身を含む): 216732600

約数和(自身を除く): 127287920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 172009, 344018, 688036, 860045, 1376072, 1720090, 2236117, 3440180, 4472234, 6880360, 8944468, 11180585, 17888936, 22361170, 44722340, 89444680]

約数ペア:

[(1, 89444680), (2, 44722340), (4, 22361170), (5, 17888936), (8, 11180585), (10, 8944468), (13, 6880360), (20, 4472234), (26, 3440180), (40, 2236117), (52, 1720090), (65, 1376072), (104, 860045), (130, 688036), (260, 344018), (520, 172009)]