65218700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{15907}}^1$

素因数の和:15962

約数の個数: 36

約数和(自身を含む): 144985512

約数和(自身を除く): 79766812

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 15907, 31814, 63628, 79535, 159070, 318140, 397675, 652187, 795350, 1304374, 1590700, 2608748, 3260935, 6521870, 13043740, 16304675, 32609350, 65218700]

約数ペア:

[(1, 65218700), (2, 32609350), (4, 16304675), (5, 13043740), (10, 6521870), (20, 3260935), (25, 2608748), (41, 1590700), (50, 1304374), (82, 795350), (100, 652187), (164, 397675), (205, 318140), (410, 159070), (820, 79535), (1025, 63628), (2050, 31814), (4100, 15907)]