8021216815

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{1163}}^1\times {\mathrm{7621}}^1$

素因数の和:8970

約数の個数: 16

約数和(自身を含む): 9688232736

約数和(自身を除く): 1667015921

約数列:

[1, 5, 181, 905, 1163, 5815, 7621, 38105, 210503, 1052515, 1379401, 6897005, 8863223, 44316115, 1604243363, 8021216815]

約数ペア:

[(1, 8021216815), (5, 1604243363), (181, 44316115), (905, 8863223), (1163, 6897005), (5815, 1379401), (7621, 1052515), (38105, 210503)]