68589040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65951}}^1$

素因数の和:65977

約数の個数: 40

約数和(自身を含む): 171739008

約数和(自身を除く): 103149968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65951, 131902, 263804, 329755, 527608, 659510, 857363, 1055216, 1319020, 1714726, 2638040, 3429452, 4286815, 5276080, 6858904, 8573630, 13717808, 17147260, 34294520, 68589040]

約数ペア:

[(1, 68589040), (2, 34294520), (4, 17147260), (5, 13717808), (8, 8573630), (10, 6858904), (13, 5276080), (16, 4286815), (20, 3429452), (26, 2638040), (40, 1714726), (52, 1319020), (65, 1055216), (80, 857363), (104, 659510), (130, 527608), (208, 329755), (260, 263804), (520, 131902), (1040, 65951)]