78923440

素因数分解:

$2^4\times 5^1\times {\mathrm{986543}}^1$

素因数の和:986556

約数の個数: 20

約数和(自身を含む): 183497184

約数和(自身を除く): 104573744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 986543, 1973086, 3946172, 4932715, 7892344, 9865430, 15784688, 19730860, 39461720, 78923440]

約数ペア:

[(1, 78923440), (2, 39461720), (4, 19730860), (5, 15784688), (8, 9865430), (10, 7892344), (16, 4932715), (20, 3946172), (40, 1973086), (80, 986543)]