68260520

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6073}}^1$

素因数の和:6365

約数の個数: 32

約数和(自身を含む): 154158120

約数和(自身を除く): 85897600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 6073, 11240, 12146, 24292, 30365, 48584, 60730, 121460, 242920, 1706513, 3413026, 6826052, 8532565, 13652104, 17065130, 34130260, 68260520]

約数ペア:

[(1, 68260520), (2, 34130260), (4, 17065130), (5, 13652104), (8, 8532565), (10, 6826052), (20, 3413026), (40, 1706513), (281, 242920), (562, 121460), (1124, 60730), (1405, 48584), (2248, 30365), (2810, 24292), (5620, 12146), (6073, 11240)]