145374520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{88643}}^1$

素因数の和:88695

約数の個数: 32

約数和(自身を含む): 335074320

約数和(自身を除く): 189699800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 88643, 177286, 354572, 443215, 709144, 886430, 1772860, 3545720, 3634363, 7268726, 14537452, 18171815, 29074904, 36343630, 72687260, 145374520]

約数ペア:

[(1, 145374520), (2, 72687260), (4, 36343630), (5, 29074904), (8, 18171815), (10, 14537452), (20, 7268726), (40, 3634363), (41, 3545720), (82, 1772860), (164, 886430), (205, 709144), (328, 443215), (410, 354572), (820, 177286), (1640, 88643)]