40438640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45953}}^1$

素因数の和:45977

約数の個数: 40

約数和(自身を含む): 102569328

約数和(自身を除く): 62130688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 45953, 91906, 183812, 229765, 367624, 459530, 505483, 735248, 919060, 1010966, 1838120, 2021932, 2527415, 3676240, 4043864, 5054830, 8087728, 10109660, 20219320, 40438640]

約数ペア:

[(1, 40438640), (2, 20219320), (4, 10109660), (5, 8087728), (8, 5054830), (10, 4043864), (11, 3676240), (16, 2527415), (20, 2021932), (22, 1838120), (40, 1010966), (44, 919060), (55, 735248), (80, 505483), (88, 459530), (110, 367624), (176, 229765), (220, 183812), (440, 91906), (880, 45953)]