39919240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 93305520

約数和(自身を除く): 53386280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 241, 328, 404, 410, 482, 505, 808, 820, 964, 1010, 1205, 1640, 1928, 2020, 2410, 4040, 4141, 4820, 8282, 9640, 9881, 16564, 19762, 20705, 24341, 33128, 39524, 41410, 48682, 49405, 79048, 82820, 97364, 98810, 121705, 165640, 194728, 197620, 243410, 395240, 486820, 973640, 997981, 1995962, 3991924, 4989905, 7983848, 9979810, 19959620, 39919240]

約数ペア:

[(1, 39919240), (2, 19959620), (4, 9979810), (5, 7983848), (8, 4989905), (10, 3991924), (20, 1995962), (40, 997981), (41, 973640), (82, 486820), (101, 395240), (164, 243410), (202, 197620), (205, 194728), (241, 165640), (328, 121705), (404, 98810), (410, 97364), (482, 82820), (505, 79048), (808, 49405), (820, 48682), (964, 41410), (1010, 39524), (1205, 33128), (1640, 24341), (1928, 20705), (2020, 19762), (2410, 16564), (4040, 9881), (4141, 9640), (4820, 8282)]