27557840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8011}}^1$

素因数の和:8067

約数の個数: 40

約数和(自身を含む): 65570208

約数和(自身を除く): 38012368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8011, 16022, 32044, 40055, 64088, 80110, 128176, 160220, 320440, 344473, 640880, 688946, 1377892, 1722365, 2755784, 3444730, 5511568, 6889460, 13778920, 27557840]

約数ペア:

[(1, 27557840), (2, 13778920), (4, 6889460), (5, 5511568), (8, 3444730), (10, 2755784), (16, 1722365), (20, 1377892), (40, 688946), (43, 640880), (80, 344473), (86, 320440), (172, 160220), (215, 128176), (344, 80110), (430, 64088), (688, 40055), (860, 32044), (1720, 16022), (3440, 8011)]