28243020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36209}}^1$

素因数の和:36234

約数の個数: 48

約数和(自身を含む): 85165920

約数和(自身を除く): 56922900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36209, 72418, 108627, 144836, 181045, 217254, 362090, 434508, 470717, 543135, 724180, 941434, 1086270, 1412151, 1882868, 2172540, 2353585, 2824302, 4707170, 5648604, 7060755, 9414340, 14121510, 28243020]

約数ペア:

[(1, 28243020), (2, 14121510), (3, 9414340), (4, 7060755), (5, 5648604), (6, 4707170), (10, 2824302), (12, 2353585), (13, 2172540), (15, 1882868), (20, 1412151), (26, 1086270), (30, 941434), (39, 724180), (52, 543135), (60, 470717), (65, 434508), (78, 362090), (130, 217254), (156, 181045), (195, 144836), (260, 108627), (390, 72418), (780, 36209)]