65469080

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7757}}^1$

素因数の和:7979

約数の個数: 32

約数和(自身を含む): 148022640

約数和(自身を除く): 82553560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 7757, 8440, 15514, 31028, 38785, 62056, 77570, 155140, 310280, 1636727, 3273454, 6546908, 8183635, 13093816, 16367270, 32734540, 65469080]

約数ペア:

[(1, 65469080), (2, 32734540), (4, 16367270), (5, 13093816), (8, 8183635), (10, 6546908), (20, 3273454), (40, 1636727), (211, 310280), (422, 155140), (844, 77570), (1055, 62056), (1688, 38785), (2110, 31028), (4220, 15514), (7757, 8440)]