9664855880

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{149057}}^1$

素因数の和:150689

約数の個数: 32

約数和(自身を含む): 21759486840

約数和(自身を除く): 12094630960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 3242, 6484, 8105, 12968, 16210, 32420, 64840, 149057, 298114, 596228, 745285, 1192456, 1490570, 2981140, 5962280, 241621397, 483242794, 966485588, 1208106985, 1932971176, 2416213970, 4832427940, 9664855880]

約数ペア:

[(1, 9664855880), (2, 4832427940), (4, 2416213970), (5, 1932971176), (8, 1208106985), (10, 966485588), (20, 483242794), (40, 241621397), (1621, 5962280), (3242, 2981140), (6484, 1490570), (8105, 1192456), (12968, 745285), (16210, 596228), (32420, 298114), (64840, 149057)]