22131440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4129}}^1$

素因数の和:4209

約数の個数: 40

約数和(自身を含む): 52236240

約数和(自身を除く): 30104800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4129, 5360, 8258, 16516, 20645, 33032, 41290, 66064, 82580, 165160, 276643, 330320, 553286, 1106572, 1383215, 2213144, 2766430, 4426288, 5532860, 11065720, 22131440]

約数ペア:

[(1, 22131440), (2, 11065720), (4, 5532860), (5, 4426288), (8, 2766430), (10, 2213144), (16, 1383215), (20, 1106572), (40, 553286), (67, 330320), (80, 276643), (134, 165160), (268, 82580), (335, 66064), (536, 41290), (670, 33032), (1072, 20645), (1340, 16516), (2680, 8258), (4129, 5360)]