9912040

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{647}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 22394880

約数和(自身を除く): 12482840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 647, 766, 1294, 1532, 1915, 2588, 3064, 3235, 3830, 5176, 6470, 7660, 12940, 15320, 25880, 247801, 495602, 991204, 1239005, 1982408, 2478010, 4956020, 9912040]

約数ペア:

[(1, 9912040), (2, 4956020), (4, 2478010), (5, 1982408), (8, 1239005), (10, 991204), (20, 495602), (40, 247801), (383, 25880), (647, 15320), (766, 12940), (1294, 7660), (1532, 6470), (1915, 5176), (2588, 3830), (3064, 3235)]