90919840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{51659}}^1$

素因数の和:51685

約数の個数: 48

約数和(自身を含む): 234329760

約数和(自身を除く): 143409920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 51659, 103318, 206636, 258295, 413272, 516590, 568249, 826544, 1033180, 1136498, 1653088, 2066360, 2272996, 2841245, 4132720, 4545992, 5682490, 8265440, 9091984, 11364980, 18183968, 22729960, 45459920, 90919840]

約数ペア:

[(1, 90919840), (2, 45459920), (4, 22729960), (5, 18183968), (8, 11364980), (10, 9091984), (11, 8265440), (16, 5682490), (20, 4545992), (22, 4132720), (32, 2841245), (40, 2272996), (44, 2066360), (55, 1653088), (80, 1136498), (88, 1033180), (110, 826544), (160, 568249), (176, 516590), (220, 413272), (352, 258295), (440, 206636), (880, 103318), (1760, 51659)]