68895440

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3109}}^1$

素因数の和:3399

約数の個数: 40

約数和(自身を含む): 160811880

約数和(自身を除く): 91916440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 3109, 4432, 5540, 6218, 11080, 12436, 15545, 22160, 24872, 31090, 49744, 62180, 124360, 248720, 861193, 1722386, 3444772, 4305965, 6889544, 8611930, 13779088, 17223860, 34447720, 68895440]

約数ペア:

[(1, 68895440), (2, 34447720), (4, 17223860), (5, 13779088), (8, 8611930), (10, 6889544), (16, 4305965), (20, 3444772), (40, 1722386), (80, 861193), (277, 248720), (554, 124360), (1108, 62180), (1385, 49744), (2216, 31090), (2770, 24872), (3109, 22160), (4432, 15545), (5540, 12436), (6218, 11080)]