66886720

素因数分解:

$2^6\times 5^1\times {\mathrm{209021}}^1$

素因数の和:209038

約数の個数: 28

約数和(自身を含む): 159274764

約数和(自身を除く): 92388044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 209021, 418042, 836084, 1045105, 1672168, 2090210, 3344336, 4180420, 6688672, 8360840, 13377344, 16721680, 33443360, 66886720]

約数ペア:

[(1, 66886720), (2, 33443360), (4, 16721680), (5, 13377344), (8, 8360840), (10, 6688672), (16, 4180420), (20, 3344336), (32, 2090210), (40, 1672168), (64, 1045105), (80, 836084), (160, 418042), (320, 209021)]