39712380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661873}}^1$

素因数の和:661885

約数の個数: 24

約数和(自身を含む): 111194832

約数和(自身を除く): 71482452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661873, 1323746, 1985619, 2647492, 3309365, 3971238, 6618730, 7942476, 9928095, 13237460, 19856190, 39712380]

約数ペア:

[(1, 39712380), (2, 19856190), (3, 13237460), (4, 9928095), (5, 7942476), (6, 6618730), (10, 3971238), (12, 3309365), (15, 2647492), (20, 1985619), (30, 1323746), (60, 661873)]