78634480

素因数分解:

$2^4\times 5^1\times {\mathrm{982931}}^1$

素因数の和:982944

約数の個数: 20

約数和(自身を含む): 182825352

約数和(自身を除く): 104190872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 982931, 1965862, 3931724, 4914655, 7863448, 9829310, 15726896, 19658620, 39317240, 78634480]

約数ペア:

[(1, 78634480), (2, 39317240), (4, 19658620), (5, 15726896), (8, 9829310), (10, 7863448), (16, 4914655), (20, 3931724), (40, 1965862), (80, 982931)]