9876201220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1\times {\mathrm{8363}}^1$

素因数の和:8940

約数の個数: 48

約数和(自身を含む): 20942385408

約数和(自身を除く): 11066184188

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 431, 548, 685, 862, 1370, 1724, 2155, 2740, 4310, 8363, 8620, 16726, 33452, 41815, 59047, 83630, 118094, 167260, 236188, 295235, 590470, 1145731, 1180940, 2291462, 3604453, 4582924, 5728655, 7208906, 11457310, 14417812, 18022265, 22914620, 36044530, 72089060, 493810061, 987620122, 1975240244, 2469050305, 4938100610, 9876201220]

約数ペア:

[(1, 9876201220), (2, 4938100610), (4, 2469050305), (5, 1975240244), (10, 987620122), (20, 493810061), (137, 72089060), (274, 36044530), (431, 22914620), (548, 18022265), (685, 14417812), (862, 11457310), (1370, 7208906), (1724, 5728655), (2155, 4582924), (2740, 3604453), (4310, 2291462), (8363, 1180940), (8620, 1145731), (16726, 590470), (33452, 295235), (41815, 236188), (59047, 167260), (83630, 118094)]