123566440

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{6701}}^1$

素因数の和:7173

約数の個数: 32

約数和(自身を含む): 278669160

約数和(自身を除く): 155102720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 6701, 9220, 13402, 18440, 26804, 33505, 53608, 67010, 134020, 268040, 3089161, 6178322, 12356644, 15445805, 24713288, 30891610, 61783220, 123566440]

約数ペア:

[(1, 123566440), (2, 61783220), (4, 30891610), (5, 24713288), (8, 15445805), (10, 12356644), (20, 6178322), (40, 3089161), (461, 268040), (922, 134020), (1844, 67010), (2305, 53608), (3688, 33505), (4610, 26804), (6701, 18440), (9220, 13402)]