8104180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 19668096

約数和(自身を除く): 11563916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 541, 749, 1070, 1082, 1498, 2140, 2164, 2705, 2996, 3745, 3787, 5410, 7490, 7574, 10820, 14980, 15148, 18935, 37870, 57887, 75740, 115774, 231548, 289435, 405209, 578870, 810418, 1157740, 1620836, 2026045, 4052090, 8104180]

約数ペア:

[(1, 8104180), (2, 4052090), (4, 2026045), (5, 1620836), (7, 1157740), (10, 810418), (14, 578870), (20, 405209), (28, 289435), (35, 231548), (70, 115774), (107, 75740), (140, 57887), (214, 37870), (428, 18935), (535, 15148), (541, 14980), (749, 10820), (1070, 7574), (1082, 7490), (1498, 5410), (2140, 3787), (2164, 3745), (2705, 2996)]