2550320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:533

約数の個数: 40

約数和(自身を含む): 6026400

約数和(自身を除く): 3476080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 449, 568, 710, 898, 1136, 1420, 1796, 2245, 2840, 3592, 4490, 5680, 7184, 8980, 17960, 31879, 35920, 63758, 127516, 159395, 255032, 318790, 510064, 637580, 1275160, 2550320]

約数ペア:

[(1, 2550320), (2, 1275160), (4, 637580), (5, 510064), (8, 318790), (10, 255032), (16, 159395), (20, 127516), (40, 63758), (71, 35920), (80, 31879), (142, 17960), (284, 8980), (355, 7184), (449, 5680), (568, 4490), (710, 3592), (898, 2840), (1136, 2245), (1420, 1796)]