90723620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{348937}}^1$

素因数の和:348959

約数の個数: 24

約数和(自身を含む): 205175544

約数和(自身を除く): 114451924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 348937, 697874, 1395748, 1744685, 3489370, 4536181, 6978740, 9072362, 18144724, 22680905, 45361810, 90723620]

約数ペア:

[(1, 90723620), (2, 45361810), (4, 22680905), (5, 18144724), (10, 9072362), (13, 6978740), (20, 4536181), (26, 3489370), (52, 1744685), (65, 1395748), (130, 697874), (260, 348937)]