68216860

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{6781}}^1$

素因数の和:7293

約数の個数: 24

約数和(自身を含む): 143561376

約数和(自身を除く): 75344516

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 6781, 10060, 13562, 27124, 33905, 67810, 135620, 3410843, 6821686, 13643372, 17054215, 34108430, 68216860]

約数ペア:

[(1, 68216860), (2, 34108430), (4, 17054215), (5, 13643372), (10, 6821686), (20, 3410843), (503, 135620), (1006, 67810), (2012, 33905), (2515, 27124), (5030, 13562), (6781, 10060)]