3954140

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{937}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 8351952

約数和(自身を除く): 4397812

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 937, 1055, 1874, 2110, 3748, 4220, 4685, 9370, 18740, 197707, 395414, 790828, 988535, 1977070, 3954140]

約数ペア:

[(1, 3954140), (2, 1977070), (4, 988535), (5, 790828), (10, 395414), (20, 197707), (211, 18740), (422, 9370), (844, 4685), (937, 4220), (1055, 3748), (1874, 2110)]