78528033880

素因数分解:

$2^3\times 5^1\times {\mathrm{49537}}^1\times {\mathrm{39631}}^1$

素因数の和:89179

約数の個数: 32

約数和(自身を含む): 176696101440

約数和(自身を除く): 98168067560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 39631, 49537, 79262, 99074, 158524, 198148, 198155, 247685, 317048, 396296, 396310, 495370, 792620, 990740, 1585240, 1981480, 1963200847, 3926401694, 7852803388, 9816004235, 15705606776, 19632008470, 39264016940, 78528033880]

約数ペア:

[(1, 78528033880), (2, 39264016940), (4, 19632008470), (5, 15705606776), (8, 9816004235), (10, 7852803388), (20, 3926401694), (40, 1963200847), (39631, 1981480), (49537, 1585240), (79262, 990740), (99074, 792620), (158524, 495370), (198148, 396310), (198155, 396296), (247685, 317048)]