3940880

素因数分解:

$2^4\times 5^1\times {\mathrm{49261}}^1$

素因数の和:49274

約数の個数: 20

約数和(自身を含む): 9162732

約数和(自身を除く): 5221852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49261, 98522, 197044, 246305, 394088, 492610, 788176, 985220, 1970440, 3940880]

約数ペア:

[(1, 3940880), (2, 1970440), (4, 985220), (5, 788176), (8, 492610), (10, 394088), (16, 246305), (20, 197044), (40, 98522), (80, 49261)]