2169040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1459

約数の個数: 40

約数和(自身を含む): 5312160

約数和(自身を除く): 3143120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1427, 1520, 2854, 5708, 7135, 11416, 14270, 22832, 27113, 28540, 54226, 57080, 108452, 114160, 135565, 216904, 271130, 433808, 542260, 1084520, 2169040]

約数ペア:

[(1, 2169040), (2, 1084520), (4, 542260), (5, 433808), (8, 271130), (10, 216904), (16, 135565), (19, 114160), (20, 108452), (38, 57080), (40, 54226), (76, 28540), (80, 27113), (95, 22832), (152, 14270), (190, 11416), (304, 7135), (380, 5708), (760, 2854), (1427, 1520)]