81342970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1567}}^1$

素因数の和:1782

約数の個数: 32

約数和(自身を含む): 152409600

約数和(自身を除く): 71066630

約数列:

[1, 2, 5, 10, 29, 58, 145, 179, 290, 358, 895, 1567, 1790, 3134, 5191, 7835, 10382, 15670, 25955, 45443, 51910, 90886, 227215, 280493, 454430, 560986, 1402465, 2804930, 8134297, 16268594, 40671485, 81342970]

約数ペア:

[(1, 81342970), (2, 40671485), (5, 16268594), (10, 8134297), (29, 2804930), (58, 1402465), (145, 560986), (179, 454430), (290, 280493), (358, 227215), (895, 90886), (1567, 51910), (1790, 45443), (3134, 25955), (5191, 15670), (7835, 10382)]