39427420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115963}}^1$

素因数の和:115989

約数の個数: 24

約数和(自身を含む): 87668784

約数和(自身を除く): 48241364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 115963, 231926, 463852, 579815, 1159630, 1971371, 2319260, 3942742, 7885484, 9856855, 19713710, 39427420]

約数ペア:

[(1, 39427420), (2, 19713710), (4, 9856855), (5, 7885484), (10, 3942742), (17, 2319260), (20, 1971371), (34, 1159630), (68, 579815), (85, 463852), (170, 231926), (340, 115963)]