39404120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{140729}}^1$

素因数の和:140747

約数の個数: 32

約数和(自身を含む): 101325600

約数和(自身を除く): 61921480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 140729, 281458, 562916, 703645, 985103, 1125832, 1407290, 1970206, 2814580, 3940412, 4925515, 5629160, 7880824, 9851030, 19702060, 39404120]

約数ペア:

[(1, 39404120), (2, 19702060), (4, 9851030), (5, 7880824), (7, 5629160), (8, 4925515), (10, 3940412), (14, 2814580), (20, 1970206), (28, 1407290), (35, 1125832), (40, 985103), (56, 703645), (70, 562916), (140, 281458), (280, 140729)]