102443920

素因数分解:

$2^4\times 5^1\times {\mathrm{1280549}}^1$

素因数の和:1280562

約数の個数: 20

約数和(自身を含む): 238182300

約数和(自身を除く): 135738380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1280549, 2561098, 5122196, 6402745, 10244392, 12805490, 20488784, 25610980, 51221960, 102443920]

約数ペア:

[(1, 102443920), (2, 51221960), (4, 25610980), (5, 20488784), (8, 12805490), (10, 10244392), (16, 6402745), (20, 5122196), (40, 2561098), (80, 1280549)]