99111680

素因数分解:

$2^8\times 5^1\times {\mathrm{77431}}^1$

素因数の和:77452

約数の個数: 36

約数和(自身を含む): 237406512

約数和(自身を除く): 138294832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 77431, 154862, 309724, 387155, 619448, 774310, 1238896, 1548620, 2477792, 3097240, 4955584, 6194480, 9911168, 12388960, 19822336, 24777920, 49555840, 99111680]

約数ペア:

[(1, 99111680), (2, 49555840), (4, 24777920), (5, 19822336), (8, 12388960), (10, 9911168), (16, 6194480), (20, 4955584), (32, 3097240), (40, 2477792), (64, 1548620), (80, 1238896), (128, 774310), (160, 619448), (256, 387155), (320, 309724), (640, 154862), (1280, 77431)]