42999280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28289}}^1$

素因数の和:28321

約数の個数: 40

約数和(自身を含む): 105238800

約数和(自身を除く): 62239520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 28289, 56578, 113156, 141445, 226312, 282890, 452624, 537491, 565780, 1074982, 1131560, 2149964, 2263120, 2687455, 4299928, 5374910, 8599856, 10749820, 21499640, 42999280]

約数ペア:

[(1, 42999280), (2, 21499640), (4, 10749820), (5, 8599856), (8, 5374910), (10, 4299928), (16, 2687455), (19, 2263120), (20, 2149964), (38, 1131560), (40, 1074982), (76, 565780), (80, 537491), (95, 452624), (152, 282890), (190, 226312), (304, 141445), (380, 113156), (760, 56578), (1520, 28289)]