8138440

素因数分解:

$2^3\times 5^1\times {\mathrm{203461}}^1$

素因数の和:203472

約数の個数: 16

約数和(自身を含む): 18311580

約数和(自身を除く): 10173140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 203461, 406922, 813844, 1017305, 1627688, 2034610, 4069220, 8138440]

約数ペア:

[(1, 8138440), (2, 4069220), (4, 2034610), (5, 1627688), (8, 1017305), (10, 813844), (20, 406922), (40, 203461)]