319160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 734400

約数和(自身を除く): 415240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 202, 316, 395, 404, 505, 632, 790, 808, 1010, 1580, 2020, 3160, 4040, 7979, 15958, 31916, 39895, 63832, 79790, 159580, 319160]

約数ペア:

[(1, 319160), (2, 159580), (4, 79790), (5, 63832), (8, 39895), (10, 31916), (20, 15958), (40, 7979), (79, 4040), (101, 3160), (158, 2020), (202, 1580), (316, 1010), (395, 808), (404, 790), (505, 632)]