8880740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 20913984

約数和(自身を除く): 12033244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1091, 1628, 2035, 2182, 4070, 4364, 5455, 8140, 10910, 12001, 21820, 24002, 40367, 48004, 60005, 80734, 120010, 161468, 201835, 240020, 403670, 444037, 807340, 888074, 1776148, 2220185, 4440370, 8880740]

約数ペア:

[(1, 8880740), (2, 4440370), (4, 2220185), (5, 1776148), (10, 888074), (11, 807340), (20, 444037), (22, 403670), (37, 240020), (44, 201835), (55, 161468), (74, 120010), (110, 80734), (148, 60005), (185, 48004), (220, 40367), (370, 24002), (407, 21820), (740, 12001), (814, 10910), (1091, 8140), (1628, 5455), (2035, 4364), (2182, 4070)]