86120920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2411}}^1$

素因数の和:2488

約数の個数: 64

約数和(自身を含む): 208396800

約数和(自身を除く): 122275880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 2411, 3572, 4465, 4822, 7144, 8930, 9644, 12055, 17860, 19288, 24110, 35720, 45809, 48220, 91618, 96440, 113317, 183236, 226634, 229045, 366472, 453268, 458090, 566585, 906536, 916180, 1133170, 1832360, 2153023, 2266340, 4306046, 4532680, 8612092, 10765115, 17224184, 21530230, 43060460, 86120920]

約数ペア:

[(1, 86120920), (2, 43060460), (4, 21530230), (5, 17224184), (8, 10765115), (10, 8612092), (19, 4532680), (20, 4306046), (38, 2266340), (40, 2153023), (47, 1832360), (76, 1133170), (94, 916180), (95, 906536), (152, 566585), (188, 458090), (190, 453268), (235, 366472), (376, 229045), (380, 226634), (470, 183236), (760, 113317), (893, 96440), (940, 91618), (1786, 48220), (1880, 45809), (2411, 35720), (3572, 24110), (4465, 19288), (4822, 17860), (7144, 12055), (8930, 9644)]