7136840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2663}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 16303680

約数和(自身を除く): 9166840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2663, 2680, 5326, 10652, 13315, 21304, 26630, 53260, 106520, 178421, 356842, 713684, 892105, 1427368, 1784210, 3568420, 7136840]

約数ペア:

[(1, 7136840), (2, 3568420), (4, 1784210), (5, 1427368), (8, 892105), (10, 713684), (20, 356842), (40, 178421), (67, 106520), (134, 53260), (268, 26630), (335, 21304), (536, 13315), (670, 10652), (1340, 5326), (2663, 2680)]