1655650880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20947}}^1$

素因数の和:20996

約数の個数: 112

約数和(自身を含む): 4469465280

約数和(自身を除く): 2813814400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4160, 4940, 6080, 7904, 9880, 15808, 19760, 20947, 39520, 41894, 79040, 83788, 104735, 167576, 209470, 272311, 335152, 397993, 418940, 544622, 670304, 795986, 837880, 1089244, 1340608, 1361555, 1591972, 1675760, 1989965, 2178488, 2723110, 3183944, 3351520, 3979930, 4356976, 5173909, 5446220, 6367888, 6703040, 7959860, 8713952, 10347818, 10892440, 12735776, 15919720, 17427904, 20695636, 21784880, 25471552, 25869545, 31839440, 41391272, 43569760, 51739090, 63678880, 82782544, 87139520, 103478180, 127357760, 165565088, 206956360, 331130176, 413912720, 827825440, 1655650880]

約数ペア:

[(1, 1655650880), (2, 827825440), (4, 413912720), (5, 331130176), (8, 206956360), (10, 165565088), (13, 127357760), (16, 103478180), (19, 87139520), (20, 82782544), (26, 63678880), (32, 51739090), (38, 43569760), (40, 41391272), (52, 31839440), (64, 25869545), (65, 25471552), (76, 21784880), (80, 20695636), (95, 17427904), (104, 15919720), (130, 12735776), (152, 10892440), (160, 10347818), (190, 8713952), (208, 7959860), (247, 6703040), (260, 6367888), (304, 5446220), (320, 5173909), (380, 4356976), (416, 3979930), (494, 3351520), (520, 3183944), (608, 2723110), (760, 2178488), (832, 1989965), (988, 1675760), (1040, 1591972), (1216, 1361555), (1235, 1340608), (1520, 1089244), (1976, 837880), (2080, 795986), (2470, 670304), (3040, 544622), (3952, 418940), (4160, 397993), (4940, 335152), (6080, 272311), (7904, 209470), (9880, 167576), (15808, 104735), (19760, 83788), (20947, 79040), (39520, 41894)]