888948140

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{87323}}^1$

素因数の和:87841

約数の個数: 24

約数和(自身を含む): 1870480080

約数和(自身を除く): 981531940

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 87323, 174646, 349292, 436615, 873230, 1746460, 44447407, 88894814, 177789628, 222237035, 444474070, 888948140]

約数ペア:

[(1, 888948140), (2, 444474070), (4, 222237035), (5, 177789628), (10, 88894814), (20, 44447407), (509, 1746460), (1018, 873230), (2036, 436615), (2545, 349292), (5090, 174646), (10180, 87323)]