123802240

素因数分解:

$2^7\times 5^1\times {\mathrm{193441}}^1$

素因数の和:193460

約数の個数: 32

約数和(自身を含む): 295966260

約数和(自身を除く): 172164020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 193441, 386882, 773764, 967205, 1547528, 1934410, 3095056, 3868820, 6190112, 7737640, 12380224, 15475280, 24760448, 30950560, 61901120, 123802240]

約数ペア:

[(1, 123802240), (2, 61901120), (4, 30950560), (5, 24760448), (8, 15475280), (10, 12380224), (16, 7737640), (20, 6190112), (32, 3868820), (40, 3095056), (64, 1934410), (80, 1547528), (128, 967205), (160, 773764), (320, 386882), (640, 193441)]