89141680

素因数分解:

$2^4\times 5^1\times {\mathrm{1114271}}^1$

素因数の和:1114284

約数の個数: 20

約数和(自身を含む): 207254592

約数和(自身を除く): 118112912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1114271, 2228542, 4457084, 5571355, 8914168, 11142710, 17828336, 22285420, 44570840, 89141680]

約数ペア:

[(1, 89141680), (2, 44570840), (4, 22285420), (5, 17828336), (8, 11142710), (10, 8914168), (16, 5571355), (20, 4457084), (40, 2228542), (80, 1114271)]