22320040

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4073}}^1$

素因数の和:4221

約数の個数: 32

約数和(自身を含む): 50599080

約数和(自身を除く): 28279040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 4073, 5480, 8146, 16292, 20365, 32584, 40730, 81460, 162920, 558001, 1116002, 2232004, 2790005, 4464008, 5580010, 11160020, 22320040]

約数ペア:

[(1, 22320040), (2, 11160020), (4, 5580010), (5, 4464008), (8, 2790005), (10, 2232004), (20, 1116002), (40, 558001), (137, 162920), (274, 81460), (548, 40730), (685, 32584), (1096, 20365), (1370, 16292), (2740, 8146), (4073, 5480)]