206801680

素因数分解:

$2^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{4217}}^1$

素因数の和:4843

約数の個数: 40

約数和(自身を含む): 481712472

約数和(自身を除く): 274910792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 613, 1226, 2452, 3065, 4217, 4904, 6130, 8434, 9808, 12260, 16868, 21085, 24520, 33736, 42170, 49040, 67472, 84340, 168680, 337360, 2585021, 5170042, 10340084, 12925105, 20680168, 25850210, 41360336, 51700420, 103400840, 206801680]

約数ペア:

[(1, 206801680), (2, 103400840), (4, 51700420), (5, 41360336), (8, 25850210), (10, 20680168), (16, 12925105), (20, 10340084), (40, 5170042), (80, 2585021), (613, 337360), (1226, 168680), (2452, 84340), (3065, 67472), (4217, 49040), (4904, 42170), (6130, 33736), (8434, 24520), (9808, 21085), (12260, 16868)]