40038890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{210731}}^1$

素因数の和:210757

約数の個数: 16

約数和(自身を含む): 75863520

約数和(自身を除く): 35824630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 210731, 421462, 1053655, 2107310, 4003889, 8007778, 20019445, 40038890]

約数ペア:

[(1, 40038890), (2, 20019445), (5, 8007778), (10, 4003889), (19, 2107310), (38, 1053655), (95, 421462), (190, 210731)]