78112240

素因数分解:

$2^4\times 5^1\times {\mathrm{976403}}^1$

素因数の和:976416

約数の個数: 20

約数和(自身を含む): 181611144

約数和(自身を除く): 103498904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 976403, 1952806, 3905612, 4882015, 7811224, 9764030, 15622448, 19528060, 39056120, 78112240]

約数ペア:

[(1, 78112240), (2, 39056120), (4, 19528060), (5, 15622448), (8, 9764030), (10, 7811224), (16, 4882015), (20, 3905612), (40, 1952806), (80, 976403)]