39985090

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20297}}^1$

素因数の和:20501

約数の個数: 16

約数和(自身を含む): 72342072

約数和(自身を除く): 32356982

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 20297, 40594, 101485, 202970, 3998509, 7997018, 19992545, 39985090]

約数ペア:

[(1, 39985090), (2, 19992545), (5, 7997018), (10, 3998509), (197, 202970), (394, 101485), (985, 40594), (1970, 20297)]