12750680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1103}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 30503520

約数和(自身を除く): 17752840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1103, 1156, 1445, 2206, 2312, 2890, 4412, 5515, 5780, 8824, 11030, 11560, 18751, 22060, 37502, 44120, 75004, 93755, 150008, 187510, 318767, 375020, 637534, 750040, 1275068, 1593835, 2550136, 3187670, 6375340, 12750680]

約数ペア:

[(1, 12750680), (2, 6375340), (4, 3187670), (5, 2550136), (8, 1593835), (10, 1275068), (17, 750040), (20, 637534), (34, 375020), (40, 318767), (68, 187510), (85, 150008), (136, 93755), (170, 75004), (289, 44120), (340, 37502), (578, 22060), (680, 18751), (1103, 11560), (1156, 11030), (1445, 8824), (2206, 5780), (2312, 5515), (2890, 4412)]