90540040

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2791}}^1$

素因数の和:3613

約数の個数: 32

約数和(自身を含む): 204039360

約数和(自身を除く): 113499320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2791, 3244, 4055, 5582, 6488, 8110, 11164, 13955, 16220, 22328, 27910, 32440, 55820, 111640, 2263501, 4527002, 9054004, 11317505, 18108008, 22635010, 45270020, 90540040]

約数ペア:

[(1, 90540040), (2, 45270020), (4, 22635010), (5, 18108008), (8, 11317505), (10, 9054004), (20, 4527002), (40, 2263501), (811, 111640), (1622, 55820), (2791, 32440), (3244, 27910), (4055, 22328), (5582, 16220), (6488, 13955), (8110, 11164)]