78336880

素因数分解:

$2^4\times 5^1\times {\mathrm{979211}}^1$

素因数の和:979224

約数の個数: 20

約数和(自身を含む): 182133432

約数和(自身を除く): 103796552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 979211, 1958422, 3916844, 4896055, 7833688, 9792110, 15667376, 19584220, 39168440, 78336880]

約数ペア:

[(1, 78336880), (2, 39168440), (4, 19584220), (5, 15667376), (8, 9792110), (10, 7833688), (16, 4896055), (20, 3916844), (40, 1958422), (80, 979211)]