78004040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{84787}}^1$

素因数の和:84821

約数の個数: 32

約数和(自身を含む): 183142080

約数和(自身を除く): 105138040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 84787, 169574, 339148, 423935, 678296, 847870, 1695740, 1950101, 3391480, 3900202, 7800404, 9750505, 15600808, 19501010, 39002020, 78004040]

約数ペア:

[(1, 78004040), (2, 39002020), (4, 19501010), (5, 15600808), (8, 9750505), (10, 7800404), (20, 3900202), (23, 3391480), (40, 1950101), (46, 1695740), (92, 847870), (115, 678296), (184, 423935), (230, 339148), (460, 169574), (920, 84787)]