8190280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29251}}^1$

素因数の和:29269

約数の個数: 32

約数和(自身を含む): 21061440

約数和(自身を除く): 12871160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 29251, 58502, 117004, 146255, 204757, 234008, 292510, 409514, 585020, 819028, 1023785, 1170040, 1638056, 2047570, 4095140, 8190280]

約数ペア:

[(1, 8190280), (2, 4095140), (4, 2047570), (5, 1638056), (7, 1170040), (8, 1023785), (10, 819028), (14, 585020), (20, 409514), (28, 292510), (35, 234008), (40, 204757), (56, 146255), (70, 117004), (140, 58502), (280, 29251)]