400000010

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{754717}}^1$

素因数の和:754777

約数の個数: 16

約数和(自身を含む): 733585896

約数和(自身を除く): 333585886

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 754717, 1509434, 3773585, 7547170, 40000001, 80000002, 200000005, 400000010]

約数ペア:

[(1, 400000010), (2, 200000005), (5, 80000002), (10, 40000001), (53, 7547170), (106, 3773585), (265, 1509434), (530, 754717)]