40483280

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{787}}^1$

素因数の和:1443

約数の個数: 40

約数和(自身を含む): 94389792

約数和(自身を除く): 53906512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 787, 1286, 1574, 2572, 3148, 3215, 3935, 5144, 6296, 6430, 7870, 10288, 12592, 12860, 15740, 25720, 31480, 51440, 62960, 506041, 1012082, 2024164, 2530205, 4048328, 5060410, 8096656, 10120820, 20241640, 40483280]

約数ペア:

[(1, 40483280), (2, 20241640), (4, 10120820), (5, 8096656), (8, 5060410), (10, 4048328), (16, 2530205), (20, 2024164), (40, 1012082), (80, 506041), (643, 62960), (787, 51440), (1286, 31480), (1574, 25720), (2572, 15740), (3148, 12860), (3215, 12592), (3935, 10288), (5144, 7870), (6296, 6430)]