85864280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126271}}^1$

素因数の和:126299

約数の個数: 32

約数和(自身を含む): 204560640

約数和(自身を除く): 118696360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 126271, 252542, 505084, 631355, 1010168, 1262710, 2146607, 2525420, 4293214, 5050840, 8586428, 10733035, 17172856, 21466070, 42932140, 85864280]

約数ペア:

[(1, 85864280), (2, 42932140), (4, 21466070), (5, 17172856), (8, 10733035), (10, 8586428), (17, 5050840), (20, 4293214), (34, 2525420), (40, 2146607), (68, 1262710), (85, 1010168), (136, 631355), (170, 505084), (340, 252542), (680, 126271)]