2728240

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 6450480

約数和(自身を除く): 3722240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 509, 536, 670, 1018, 1072, 1340, 2036, 2545, 2680, 4072, 5090, 5360, 8144, 10180, 20360, 34103, 40720, 68206, 136412, 170515, 272824, 341030, 545648, 682060, 1364120, 2728240]

約数ペア:

[(1, 2728240), (2, 1364120), (4, 682060), (5, 545648), (8, 341030), (10, 272824), (16, 170515), (20, 136412), (40, 68206), (67, 40720), (80, 34103), (134, 20360), (268, 10180), (335, 8144), (509, 5360), (536, 5090), (670, 4072), (1018, 2680), (1072, 2545), (1340, 2036)]