79354480

素因数分解:

$2^4\times 5^1\times {\mathrm{991931}}^1$

素因数の和:991944

約数の個数: 20

約数和(自身を含む): 184499352

約数和(自身を除く): 105144872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991931, 1983862, 3967724, 4959655, 7935448, 9919310, 15870896, 19838620, 39677240, 79354480]

約数ペア:

[(1, 79354480), (2, 39677240), (4, 19838620), (5, 15870896), (8, 9919310), (10, 7935448), (16, 4959655), (20, 3967724), (40, 1983862), (80, 991931)]