2715920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2027

約数の個数: 40

約数和(自身を含む): 6689304

約数和(自身を除く): 3973384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1997, 3994, 7988, 9985, 15976, 19970, 31952, 33949, 39940, 67898, 79880, 135796, 159760, 169745, 271592, 339490, 543184, 678980, 1357960, 2715920]

約数ペア:

[(1, 2715920), (2, 1357960), (4, 678980), (5, 543184), (8, 339490), (10, 271592), (16, 169745), (17, 159760), (20, 135796), (34, 79880), (40, 67898), (68, 39940), (80, 33949), (85, 31952), (136, 19970), (170, 15976), (272, 9985), (340, 7988), (680, 3994), (1360, 1997)]