40486960

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4643}}^1$

素因数の和:4765

約数の個数: 40

約数和(自身を含む): 95016240

約数和(自身を除く): 54529280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4643, 8720, 9286, 18572, 23215, 37144, 46430, 74288, 92860, 185720, 371440, 506087, 1012174, 2024348, 2530435, 4048696, 5060870, 8097392, 10121740, 20243480, 40486960]

約数ペア:

[(1, 40486960), (2, 20243480), (4, 10121740), (5, 8097392), (8, 5060870), (10, 4048696), (16, 2530435), (20, 2024348), (40, 1012174), (80, 506087), (109, 371440), (218, 185720), (436, 92860), (545, 74288), (872, 46430), (1090, 37144), (1744, 23215), (2180, 18572), (4360, 9286), (4643, 8720)]