31159760

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7349}}^1$

素因数の和:7415

約数の個数: 40

約数和(自身を含む): 73823400

約数和(自身を除く): 42663640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 7349, 14698, 29396, 36745, 58792, 73490, 117584, 146980, 293960, 389497, 587920, 778994, 1557988, 1947485, 3115976, 3894970, 6231952, 7789940, 15579880, 31159760]

約数ペア:

[(1, 31159760), (2, 15579880), (4, 7789940), (5, 6231952), (8, 3894970), (10, 3115976), (16, 1947485), (20, 1557988), (40, 778994), (53, 587920), (80, 389497), (106, 293960), (212, 146980), (265, 117584), (424, 73490), (530, 58792), (848, 36745), (1060, 29396), (2120, 14698), (4240, 7349)]