228020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 516264

約数和(自身を除く): 288244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 877, 1754, 3508, 4385, 8770, 11401, 17540, 22802, 45604, 57005, 114010, 228020]

約数ペア:

[(1, 228020), (2, 114010), (4, 57005), (5, 45604), (10, 22802), (13, 17540), (20, 11401), (26, 8770), (52, 4385), (65, 3508), (130, 1754), (260, 877)]