28158580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16963}}^1$

素因数の和:17055

約数の個数: 24

約数和(自身を含む): 59848992

約数和(自身を除く): 31690412

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 16963, 33926, 67852, 84815, 169630, 339260, 1407929, 2815858, 5631716, 7039645, 14079290, 28158580]

約数ペア:

[(1, 28158580), (2, 14079290), (4, 7039645), (5, 5631716), (10, 2815858), (20, 1407929), (83, 339260), (166, 169630), (332, 84815), (415, 67852), (830, 33926), (1660, 16963)]