86819920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8969}}^1$

素因数の和:9004

約数の個数: 60

約数和(自身を含む): 221899860

約数和(自身を除く): 135079940

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 8969, 9680, 17938, 35876, 44845, 71752, 89690, 98659, 143504, 179380, 197318, 358760, 394636, 493295, 717520, 789272, 986590, 1085249, 1578544, 1973180, 2170498, 3946360, 4340996, 5426245, 7892720, 8681992, 10852490, 17363984, 21704980, 43409960, 86819920]

約数ペア:

[(1, 86819920), (2, 43409960), (4, 21704980), (5, 17363984), (8, 10852490), (10, 8681992), (11, 7892720), (16, 5426245), (20, 4340996), (22, 3946360), (40, 2170498), (44, 1973180), (55, 1578544), (80, 1085249), (88, 986590), (110, 789272), (121, 717520), (176, 493295), (220, 394636), (242, 358760), (440, 197318), (484, 179380), (605, 143504), (880, 98659), (968, 89690), (1210, 71752), (1936, 44845), (2420, 35876), (4840, 17938), (8969, 9680)]