2031440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 4806240

約数和(自身を除く): 2774800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 379, 536, 670, 758, 1072, 1340, 1516, 1895, 2680, 3032, 3790, 5360, 6064, 7580, 15160, 25393, 30320, 50786, 101572, 126965, 203144, 253930, 406288, 507860, 1015720, 2031440]

約数ペア:

[(1, 2031440), (2, 1015720), (4, 507860), (5, 406288), (8, 253930), (10, 203144), (16, 126965), (20, 101572), (40, 50786), (67, 30320), (80, 25393), (134, 15160), (268, 7580), (335, 6064), (379, 5360), (536, 3790), (670, 3032), (758, 2680), (1072, 1895), (1340, 1516)]