1309746440

素因数分解:

$2^3\times 5^1\times {\mathrm{2339}}^1\times {\mathrm{13999}}^1$

素因数の和:16349

約数の個数: 32

約数和(自身を含む): 2948400000

約数和(自身を除く): 1638653560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2339, 4678, 9356, 11695, 13999, 18712, 23390, 27998, 46780, 55996, 69995, 93560, 111992, 139990, 279980, 559960, 32743661, 65487322, 130974644, 163718305, 261949288, 327436610, 654873220, 1309746440]

約数ペア:

[(1, 1309746440), (2, 654873220), (4, 327436610), (5, 261949288), (8, 163718305), (10, 130974644), (20, 65487322), (40, 32743661), (2339, 559960), (4678, 279980), (9356, 139990), (11695, 111992), (13999, 93560), (18712, 69995), (23390, 55996), (27998, 46780)]