31297840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55889}}^1$

素因数の和:55909

約数の個数: 40

約数和(自身を含む): 83164320

約数和(自身を除く): 51866480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55889, 111778, 223556, 279445, 391223, 447112, 558890, 782446, 894224, 1117780, 1564892, 1956115, 2235560, 3129784, 3912230, 4471120, 6259568, 7824460, 15648920, 31297840]

約数ペア:

[(1, 31297840), (2, 15648920), (4, 7824460), (5, 6259568), (7, 4471120), (8, 3912230), (10, 3129784), (14, 2235560), (16, 1956115), (20, 1564892), (28, 1117780), (35, 894224), (40, 782446), (56, 558890), (70, 447112), (80, 391223), (112, 279445), (140, 223556), (280, 111778), (560, 55889)]