68008720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65393}}^1$

素因数の和:65419

約数の個数: 40

約数和(自身を含む): 170285976

約数和(自身を除く): 102277256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65393, 130786, 261572, 326965, 523144, 653930, 850109, 1046288, 1307860, 1700218, 2615720, 3400436, 4250545, 5231440, 6800872, 8501090, 13601744, 17002180, 34004360, 68008720]

約数ペア:

[(1, 68008720), (2, 34004360), (4, 17002180), (5, 13601744), (8, 8501090), (10, 6800872), (13, 5231440), (16, 4250545), (20, 3400436), (26, 2615720), (40, 1700218), (52, 1307860), (65, 1046288), (80, 850109), (104, 653930), (130, 523144), (208, 326965), (260, 261572), (520, 130786), (1040, 65393)]