26420540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14843}}^1$

素因数の和:14941

約数の個数: 24

約数和(自身を含む): 56110320

約数和(自身を除く): 29689780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 14843, 29686, 59372, 74215, 148430, 296860, 1321027, 2642054, 5284108, 6605135, 13210270, 26420540]

約数ペア:

[(1, 26420540), (2, 13210270), (4, 6605135), (5, 5284108), (10, 2642054), (20, 1321027), (89, 296860), (178, 148430), (356, 74215), (445, 59372), (890, 29686), (1780, 14843)]