51009820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23399}}^1$

素因数の和:23517

約数の個数: 24

約数和(自身を含む): 108108000

約数和(自身を除く): 57098180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 23399, 46798, 93596, 116995, 233990, 467980, 2550491, 5100982, 10201964, 12752455, 25504910, 51009820]

約数ペア:

[(1, 51009820), (2, 25504910), (4, 12752455), (5, 10201964), (10, 5100982), (20, 2550491), (109, 467980), (218, 233990), (436, 116995), (545, 93596), (1090, 46798), (2180, 23399)]