39540820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{941}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 91155456

約数和(自身を除く): 51614636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 764, 941, 955, 1882, 1910, 2101, 3764, 3820, 4202, 4705, 8404, 9410, 10351, 10505, 18820, 20702, 21010, 41404, 42020, 51755, 103510, 179731, 207020, 359462, 718924, 898655, 1797310, 1977041, 3594620, 3954082, 7908164, 9885205, 19770410, 39540820]

約数ペア:

[(1, 39540820), (2, 19770410), (4, 9885205), (5, 7908164), (10, 3954082), (11, 3594620), (20, 1977041), (22, 1797310), (44, 898655), (55, 718924), (110, 359462), (191, 207020), (220, 179731), (382, 103510), (764, 51755), (941, 42020), (955, 41404), (1882, 21010), (1910, 20702), (2101, 18820), (3764, 10505), (3820, 10351), (4202, 9410), (4705, 8404)]