6407480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3907}}^1$

素因数の和:3959

約数の個数: 32

約数和(自身を含む): 14772240

約数和(自身を除く): 8364760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 3907, 7814, 15628, 19535, 31256, 39070, 78140, 156280, 160187, 320374, 640748, 800935, 1281496, 1601870, 3203740, 6407480]

約数ペア:

[(1, 6407480), (2, 3203740), (4, 1601870), (5, 1281496), (8, 800935), (10, 640748), (20, 320374), (40, 160187), (41, 156280), (82, 78140), (164, 39070), (205, 31256), (328, 19535), (410, 15628), (820, 7814), (1640, 3907)]