128554160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229561}}^1$

素因数の和:229581

約数の個数: 40

約数和(自身を含む): 341588256

約数和(自身を除く): 213034096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 229561, 459122, 918244, 1147805, 1606927, 1836488, 2295610, 3213854, 3672976, 4591220, 6427708, 8034635, 9182440, 12855416, 16069270, 18364880, 25710832, 32138540, 64277080, 128554160]

約数ペア:

[(1, 128554160), (2, 64277080), (4, 32138540), (5, 25710832), (7, 18364880), (8, 16069270), (10, 12855416), (14, 9182440), (16, 8034635), (20, 6427708), (28, 4591220), (35, 3672976), (40, 3213854), (56, 2295610), (70, 1836488), (80, 1606927), (112, 1147805), (140, 918244), (280, 459122), (560, 229561)]