7913000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 19066320

約数和(自身を除く): 11153320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 193, 200, 205, 250, 328, 386, 410, 500, 772, 820, 965, 1000, 1025, 1544, 1640, 1930, 2050, 3860, 4100, 4825, 5125, 7720, 7913, 8200, 9650, 10250, 15826, 19300, 20500, 24125, 31652, 38600, 39565, 41000, 48250, 63304, 79130, 96500, 158260, 193000, 197825, 316520, 395650, 791300, 989125, 1582600, 1978250, 3956500, 7913000]

約数ペア:

[(1, 7913000), (2, 3956500), (4, 1978250), (5, 1582600), (8, 989125), (10, 791300), (20, 395650), (25, 316520), (40, 197825), (41, 193000), (50, 158260), (82, 96500), (100, 79130), (125, 63304), (164, 48250), (193, 41000), (200, 39565), (205, 38600), (250, 31652), (328, 24125), (386, 20500), (410, 19300), (500, 15826), (772, 10250), (820, 9650), (965, 8200), (1000, 7913), (1025, 7720), (1544, 5125), (1640, 4825), (1930, 4100), (2050, 3860)]