20565196880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1303}}^1\times {\mathrm{6803}}^1$

素因数の和:8148

約数の個数: 80

約数和(自身を含む): 49508081280

約数和(自身を除く): 28942884400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 1303, 2320, 2606, 5212, 6515, 6803, 10424, 13030, 13606, 20848, 26060, 27212, 34015, 37787, 52120, 54424, 68030, 75574, 104240, 108848, 136060, 151148, 188935, 197287, 272120, 302296, 377870, 394574, 544240, 604592, 755740, 789148, 986435, 1511480, 1578296, 1972870, 3022960, 3156592, 3945740, 7891480, 8864309, 15782960, 17728618, 35457236, 44321545, 70914472, 88643090, 141828944, 177286180, 257064961, 354572360, 514129922, 709144720, 1028259844, 1285324805, 2056519688, 2570649610, 4113039376, 5141299220, 10282598440, 20565196880]

約数ペア:

[(1, 20565196880), (2, 10282598440), (4, 5141299220), (5, 4113039376), (8, 2570649610), (10, 2056519688), (16, 1285324805), (20, 1028259844), (29, 709144720), (40, 514129922), (58, 354572360), (80, 257064961), (116, 177286180), (145, 141828944), (232, 88643090), (290, 70914472), (464, 44321545), (580, 35457236), (1160, 17728618), (1303, 15782960), (2320, 8864309), (2606, 7891480), (5212, 3945740), (6515, 3156592), (6803, 3022960), (10424, 1972870), (13030, 1578296), (13606, 1511480), (20848, 986435), (26060, 789148), (27212, 755740), (34015, 604592), (37787, 544240), (52120, 394574), (54424, 377870), (68030, 302296), (75574, 272120), (104240, 197287), (108848, 188935), (136060, 151148)]