165133040

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4903}}^1$

素因数の和:5337

約数の個数: 40

約数和(自身を含む): 384924768

約数和(自身を除く): 219791728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 4903, 6736, 8420, 9806, 16840, 19612, 24515, 33680, 39224, 49030, 78448, 98060, 196120, 392240, 2064163, 4128326, 8256652, 10320815, 16513304, 20641630, 33026608, 41283260, 82566520, 165133040]

約数ペア:

[(1, 165133040), (2, 82566520), (4, 41283260), (5, 33026608), (8, 20641630), (10, 16513304), (16, 10320815), (20, 8256652), (40, 4128326), (80, 2064163), (421, 392240), (842, 196120), (1684, 98060), (2105, 78448), (3368, 49030), (4210, 39224), (4903, 33680), (6736, 24515), (8420, 19612), (9806, 16840)]