89281520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{16657}}^1$

素因数の和:16737

約数の個数: 40

約数和(自身を含む): 210690384

約数和(自身を除く): 121408864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 16657, 33314, 66628, 83285, 133256, 166570, 266512, 333140, 666280, 1116019, 1332560, 2232038, 4464076, 5580095, 8928152, 11160190, 17856304, 22320380, 44640760, 89281520]

約数ペア:

[(1, 89281520), (2, 44640760), (4, 22320380), (5, 17856304), (8, 11160190), (10, 8928152), (16, 5580095), (20, 4464076), (40, 2232038), (67, 1332560), (80, 1116019), (134, 666280), (268, 333140), (335, 266512), (536, 166570), (670, 133256), (1072, 83285), (1340, 66628), (2680, 33314), (5360, 16657)]