88570820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{340657}}^1$

素因数の和:340679

約数の個数: 24

約数和(自身を含む): 200306904

約数和(自身を除く): 111736084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 340657, 681314, 1362628, 1703285, 3406570, 4428541, 6813140, 8857082, 17714164, 22142705, 44285410, 88570820]

約数ペア:

[(1, 88570820), (2, 44285410), (4, 22142705), (5, 17714164), (10, 8857082), (13, 6813140), (20, 4428541), (26, 3406570), (52, 1703285), (65, 1362628), (130, 681314), (260, 340657)]