8257780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 18869760

約数和(自身を除く): 10611980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 701, 1178, 1402, 2356, 2804, 2945, 3505, 5890, 7010, 11780, 13319, 14020, 21731, 26638, 43462, 53276, 66595, 86924, 108655, 133190, 217310, 266380, 412889, 434620, 825778, 1651556, 2064445, 4128890, 8257780]

約数ペア:

[(1, 8257780), (2, 4128890), (4, 2064445), (5, 1651556), (10, 825778), (19, 434620), (20, 412889), (31, 266380), (38, 217310), (62, 133190), (76, 108655), (95, 86924), (124, 66595), (155, 53276), (190, 43462), (310, 26638), (380, 21731), (589, 14020), (620, 13319), (701, 11780), (1178, 7010), (1402, 5890), (2356, 3505), (2804, 2945)]