81440800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{14543}}^1$

素因数の和:14570

約数の個数: 72

約数和(自身を含む): 227235456

約数和(自身を除く): 145794656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 14543, 29086, 58172, 72715, 101801, 116344, 145430, 203602, 232688, 290860, 363575, 407204, 465376, 509005, 581720, 727150, 814408, 1018010, 1163440, 1454300, 1628816, 2036020, 2326880, 2545025, 2908600, 3257632, 4072040, 5090050, 5817200, 8144080, 10180100, 11634400, 16288160, 20360200, 40720400, 81440800]

約数ペア:

[(1, 81440800), (2, 40720400), (4, 20360200), (5, 16288160), (7, 11634400), (8, 10180100), (10, 8144080), (14, 5817200), (16, 5090050), (20, 4072040), (25, 3257632), (28, 2908600), (32, 2545025), (35, 2326880), (40, 2036020), (50, 1628816), (56, 1454300), (70, 1163440), (80, 1018010), (100, 814408), (112, 727150), (140, 581720), (160, 509005), (175, 465376), (200, 407204), (224, 363575), (280, 290860), (350, 232688), (400, 203602), (560, 145430), (700, 116344), (800, 101801), (1120, 72715), (1400, 58172), (2800, 29086), (5600, 14543)]