12400180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 28823760

約数和(自身を除く): 16423580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1289, 1924, 2405, 2578, 4810, 5156, 6445, 9620, 12890, 16757, 25780, 33514, 47693, 67028, 83785, 95386, 167570, 190772, 238465, 335140, 476930, 620009, 953860, 1240018, 2480036, 3100045, 6200090, 12400180]

約数ペア:

[(1, 12400180), (2, 6200090), (4, 3100045), (5, 2480036), (10, 1240018), (13, 953860), (20, 620009), (26, 476930), (37, 335140), (52, 238465), (65, 190772), (74, 167570), (130, 95386), (148, 83785), (185, 67028), (260, 47693), (370, 33514), (481, 25780), (740, 16757), (962, 12890), (1289, 9620), (1924, 6445), (2405, 5156), (2578, 4810)]