108817840

素因数分解:

$2^4\times 5^1\times {\mathrm{1360223}}^1$

素因数の和:1360236

約数の個数: 20

約数和(自身を含む): 253001664

約数和(自身を除く): 144183824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1360223, 2720446, 5440892, 6801115, 10881784, 13602230, 21763568, 27204460, 54408920, 108817840]

約数ペア:

[(1, 108817840), (2, 54408920), (4, 27204460), (5, 21763568), (8, 13602230), (10, 10881784), (16, 6801115), (20, 5440892), (40, 2720446), (80, 1360223)]