28535260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109751}}^1$

素因数の和:109773

約数の個数: 24

約数和(自身を含む): 64534176

約数和(自身を除く): 35998916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109751, 219502, 439004, 548755, 1097510, 1426763, 2195020, 2853526, 5707052, 7133815, 14267630, 28535260]

約数ペア:

[(1, 28535260), (2, 14267630), (4, 7133815), (5, 5707052), (10, 2853526), (13, 2195020), (20, 1426763), (26, 1097510), (52, 548755), (65, 439004), (130, 219502), (260, 109751)]