8627660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 18960480

約数和(自身を除く): 10332820

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 131, 148, 178, 185, 262, 356, 370, 445, 524, 655, 740, 890, 1310, 1780, 2620, 3293, 4847, 6586, 9694, 11659, 13172, 16465, 19388, 23318, 24235, 32930, 46636, 48470, 58295, 65860, 96940, 116590, 233180, 431383, 862766, 1725532, 2156915, 4313830, 8627660]

約数ペア:

[(1, 8627660), (2, 4313830), (4, 2156915), (5, 1725532), (10, 862766), (20, 431383), (37, 233180), (74, 116590), (89, 96940), (131, 65860), (148, 58295), (178, 48470), (185, 46636), (262, 32930), (356, 24235), (370, 23318), (445, 19388), (524, 16465), (655, 13172), (740, 11659), (890, 9694), (1310, 6586), (1780, 4847), (2620, 3293)]