39712980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661883}}^1$

素因数の和:661895

約数の個数: 24

約数和(自身を含む): 111196512

約数和(自身を除く): 71483532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661883, 1323766, 1985649, 2647532, 3309415, 3971298, 6618830, 7942596, 9928245, 13237660, 19856490, 39712980]

約数ペア:

[(1, 39712980), (2, 19856490), (3, 13237660), (4, 9928245), (5, 7942596), (6, 6618830), (10, 3971298), (12, 3309415), (15, 2647532), (20, 1985649), (30, 1323766), (60, 661883)]