2340280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1427}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 5397840

約数和(自身を除く): 3057560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1427, 1640, 2854, 5708, 7135, 11416, 14270, 28540, 57080, 58507, 117014, 234028, 292535, 468056, 585070, 1170140, 2340280]

約数ペア:

[(1, 2340280), (2, 1170140), (4, 585070), (5, 468056), (8, 292535), (10, 234028), (20, 117014), (40, 58507), (41, 57080), (82, 28540), (164, 14270), (205, 11416), (328, 7135), (410, 5708), (820, 2854), (1427, 1640)]