42556070

素因数分解:

$2^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{2131}}^1$

素因数の和:4135

約数の個数: 16

約数和(自身を含む): 76675248

約数和(自身を除く): 34119178

約数列:

[1, 2, 5, 10, 1997, 2131, 3994, 4262, 9985, 10655, 19970, 21310, 4255607, 8511214, 21278035, 42556070]

約数ペア:

[(1, 42556070), (2, 21278035), (5, 8511214), (10, 4255607), (1997, 21310), (2131, 19970), (3994, 10655), (4262, 9985)]