8005340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 19375104

約数和(自身を除く): 11369764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 271, 422, 542, 844, 1055, 1084, 1355, 1477, 1897, 2110, 2710, 2954, 3794, 4220, 5420, 5908, 7385, 7588, 9485, 14770, 18970, 29540, 37940, 57181, 114362, 228724, 285905, 400267, 571810, 800534, 1143620, 1601068, 2001335, 4002670, 8005340]

約数ペア:

[(1, 8005340), (2, 4002670), (4, 2001335), (5, 1601068), (7, 1143620), (10, 800534), (14, 571810), (20, 400267), (28, 285905), (35, 228724), (70, 114362), (140, 57181), (211, 37940), (271, 29540), (422, 18970), (542, 14770), (844, 9485), (1055, 7588), (1084, 7385), (1355, 5908), (1477, 5420), (1897, 4220), (2110, 3794), (2710, 2954)]