782720

素因数分解:

$2^7\times 5^1\times {\mathrm{1223}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 1872720

約数和(自身を除く): 1090000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1223, 2446, 4892, 6115, 9784, 12230, 19568, 24460, 39136, 48920, 78272, 97840, 156544, 195680, 391360, 782720]

約数ペア:

[(1, 782720), (2, 391360), (4, 195680), (5, 156544), (8, 97840), (10, 78272), (16, 48920), (20, 39136), (32, 24460), (40, 19568), (64, 12230), (80, 9784), (128, 6115), (160, 4892), (320, 2446), (640, 1223)]