28604680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55009}}^1$

素因数の和:55033

約数の個数: 32

約数和(自身を含む): 69312600

約数和(自身を除く): 40707920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55009, 110018, 220036, 275045, 440072, 550090, 715117, 1100180, 1430234, 2200360, 2860468, 3575585, 5720936, 7151170, 14302340, 28604680]

約数ペア:

[(1, 28604680), (2, 14302340), (4, 7151170), (5, 5720936), (8, 3575585), (10, 2860468), (13, 2200360), (20, 1430234), (26, 1100180), (40, 715117), (52, 550090), (65, 440072), (104, 275045), (130, 220036), (260, 110018), (520, 55009)]