83115140

素因数分解:

$2^2\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{2081}}^1$

素因数の和:4087

約数の個数: 24

約数和(自身を含む): 174713112

約数和(自身を除く): 91597972

約数列:

[1, 2, 4, 5, 10, 20, 1997, 2081, 3994, 4162, 7988, 8324, 9985, 10405, 19970, 20810, 39940, 41620, 4155757, 8311514, 16623028, 20778785, 41557570, 83115140]

約数ペア:

[(1, 83115140), (2, 41557570), (4, 20778785), (5, 16623028), (10, 8311514), (20, 4155757), (1997, 41620), (2081, 39940), (3994, 20810), (4162, 19970), (7988, 10405), (8324, 9985)]