40563880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{523}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 104883840

約数和(自身を除く): 64319960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 523, 554, 1046, 1108, 1385, 1939, 2092, 2216, 2615, 2770, 3661, 3878, 4184, 5230, 5540, 7322, 7756, 9695, 10460, 11080, 14644, 15512, 18305, 19390, 20920, 29288, 36610, 38780, 73220, 77560, 144871, 146440, 289742, 579484, 724355, 1014097, 1158968, 1448710, 2028194, 2897420, 4056388, 5070485, 5794840, 8112776, 10140970, 20281940, 40563880]

約数ペア:

[(1, 40563880), (2, 20281940), (4, 10140970), (5, 8112776), (7, 5794840), (8, 5070485), (10, 4056388), (14, 2897420), (20, 2028194), (28, 1448710), (35, 1158968), (40, 1014097), (56, 724355), (70, 579484), (140, 289742), (277, 146440), (280, 144871), (523, 77560), (554, 73220), (1046, 38780), (1108, 36610), (1385, 29288), (1939, 20920), (2092, 19390), (2216, 18305), (2615, 15512), (2770, 14644), (3661, 11080), (3878, 10460), (4184, 9695), (5230, 7756), (5540, 7322)]