77923880

素因数分解:

$2^3\times 5^1\times {\mathrm{1948097}}^1$

素因数の和:1948108

約数の個数: 16

約数和(自身を含む): 175328820

約数和(自身を除く): 97404940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1948097, 3896194, 7792388, 9740485, 15584776, 19480970, 38961940, 77923880]

約数ペア:

[(1, 77923880), (2, 38961940), (4, 19480970), (5, 15584776), (8, 9740485), (10, 7792388), (20, 3896194), (40, 1948097)]