31528280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112601}}^1$

素因数の和:112619

約数の個数: 32

約数和(自身を含む): 81073440

約数和(自身を除く): 49545160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112601, 225202, 450404, 563005, 788207, 900808, 1126010, 1576414, 2252020, 3152828, 3941035, 4504040, 6305656, 7882070, 15764140, 31528280]

約数ペア:

[(1, 31528280), (2, 15764140), (4, 7882070), (5, 6305656), (7, 4504040), (8, 3941035), (10, 3152828), (14, 2252020), (20, 1576414), (28, 1126010), (35, 900808), (40, 788207), (56, 563005), (70, 450404), (140, 225202), (280, 112601)]