12673040

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1179

約数の個数: 40

約数和(自身を含む): 29681880

約数和(自身を除く): 17008840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1009, 1256, 1570, 2018, 2512, 3140, 4036, 5045, 6280, 8072, 10090, 12560, 16144, 20180, 40360, 80720, 158413, 316826, 633652, 792065, 1267304, 1584130, 2534608, 3168260, 6336520, 12673040]

約数ペア:

[(1, 12673040), (2, 6336520), (4, 3168260), (5, 2534608), (8, 1584130), (10, 1267304), (16, 792065), (20, 633652), (40, 316826), (80, 158413), (157, 80720), (314, 40360), (628, 20180), (785, 16144), (1009, 12560), (1256, 10090), (1570, 8072), (2018, 6280), (2512, 5045), (3140, 4036)]