133261520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{237967}}^1$

素因数の和:237987

約数の個数: 40

約数和(自身を含む): 354096384

約数和(自身を除く): 220834864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 237967, 475934, 951868, 1189835, 1665769, 1903736, 2379670, 3331538, 3807472, 4759340, 6663076, 8328845, 9518680, 13326152, 16657690, 19037360, 26652304, 33315380, 66630760, 133261520]

約数ペア:

[(1, 133261520), (2, 66630760), (4, 33315380), (5, 26652304), (7, 19037360), (8, 16657690), (10, 13326152), (14, 9518680), (16, 8328845), (20, 6663076), (28, 4759340), (35, 3807472), (40, 3331538), (56, 2379670), (70, 1903736), (80, 1665769), (112, 1189835), (140, 951868), (280, 475934), (560, 237967)]