2559920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2909}}^1$

素因数の和:2933

約数の個数: 40

約数和(自身を含む): 6495120

約数和(自身を除く): 3935200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2909, 5818, 11636, 14545, 23272, 29090, 31999, 46544, 58180, 63998, 116360, 127996, 159995, 232720, 255992, 319990, 511984, 639980, 1279960, 2559920]

約数ペア:

[(1, 2559920), (2, 1279960), (4, 639980), (5, 511984), (8, 319990), (10, 255992), (11, 232720), (16, 159995), (20, 127996), (22, 116360), (40, 63998), (44, 58180), (55, 46544), (80, 31999), (88, 29090), (110, 23272), (176, 14545), (220, 11636), (440, 5818), (880, 2909)]