133156720

素因数分解:

$2^4\times 5^1\times {\mathrm{1664459}}^1$

素因数の和:1664472

約数の個数: 20

約数和(自身を含む): 309589560

約数和(自身を除く): 176432840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1664459, 3328918, 6657836, 8322295, 13315672, 16644590, 26631344, 33289180, 66578360, 133156720]

約数ペア:

[(1, 133156720), (2, 66578360), (4, 33289180), (5, 26631344), (8, 16644590), (10, 13315672), (16, 8322295), (20, 6657836), (40, 3328918), (80, 1664459)]