127935280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145381}}^1$

素因数の和:145405

約数の個数: 40

約数和(自身を含む): 324492624

約数和(自身を除く): 196557344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 145381, 290762, 581524, 726905, 1163048, 1453810, 1599191, 2326096, 2907620, 3198382, 5815240, 6396764, 7995955, 11630480, 12793528, 15991910, 25587056, 31983820, 63967640, 127935280]

約数ペア:

[(1, 127935280), (2, 63967640), (4, 31983820), (5, 25587056), (8, 15991910), (10, 12793528), (11, 11630480), (16, 7995955), (20, 6396764), (22, 5815240), (40, 3198382), (44, 2907620), (55, 2326096), (80, 1599191), (88, 1453810), (110, 1163048), (176, 726905), (220, 581524), (440, 290762), (880, 145381)]