13005080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2687}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 19170280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 2687, 4840, 5374, 10748, 13435, 21496, 26870, 29557, 53740, 59114, 107480, 118228, 147785, 236456, 295570, 325127, 591140, 650254, 1182280, 1300508, 1625635, 2601016, 3251270, 6502540, 13005080]

約数ペア:

[(1, 13005080), (2, 6502540), (4, 3251270), (5, 2601016), (8, 1625635), (10, 1300508), (11, 1182280), (20, 650254), (22, 591140), (40, 325127), (44, 295570), (55, 236456), (88, 147785), (110, 118228), (121, 107480), (220, 59114), (242, 53740), (440, 29557), (484, 26870), (605, 21496), (968, 13435), (1210, 10748), (2420, 5374), (2687, 4840)]