30128020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115877}}^1$

素因数の和:115899

約数の個数: 24

約数和(自身を含む): 68136264

約数和(自身を除く): 38008244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 115877, 231754, 463508, 579385, 1158770, 1506401, 2317540, 3012802, 6025604, 7532005, 15064010, 30128020]

約数ペア:

[(1, 30128020), (2, 15064010), (4, 7532005), (5, 6025604), (10, 3012802), (13, 2317540), (20, 1506401), (26, 1158770), (52, 579385), (65, 463508), (130, 231754), (260, 115877)]