42009580

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20393}}^1$

素因数の和:20505

約数の個数: 24

約数和(自身を含む): 89080992

約数和(自身を除く): 47071412

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 20393, 40786, 81572, 101965, 203930, 407860, 2100479, 4200958, 8401916, 10502395, 21004790, 42009580]

約数ペア:

[(1, 42009580), (2, 21004790), (4, 10502395), (5, 8401916), (10, 4200958), (20, 2100479), (103, 407860), (206, 203930), (412, 101965), (515, 81572), (1030, 40786), (2060, 20393)]