16558880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 44452800

約数和(自身を除く): 27893920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 419, 494, 520, 608, 760, 838, 988, 1040, 1235, 1520, 1676, 1976, 2080, 2095, 2470, 3040, 3352, 3952, 4190, 4940, 5447, 6704, 7904, 7961, 8380, 9880, 10894, 13408, 15922, 16760, 19760, 21788, 27235, 31844, 33520, 39520, 39805, 43576, 54470, 63688, 67040, 79610, 87152, 103493, 108940, 127376, 159220, 174304, 206986, 217880, 254752, 318440, 413972, 435760, 517465, 636880, 827944, 871520, 1034930, 1273760, 1655888, 2069860, 3311776, 4139720, 8279440, 16558880]

約数ペア:

[(1, 16558880), (2, 8279440), (4, 4139720), (5, 3311776), (8, 2069860), (10, 1655888), (13, 1273760), (16, 1034930), (19, 871520), (20, 827944), (26, 636880), (32, 517465), (38, 435760), (40, 413972), (52, 318440), (65, 254752), (76, 217880), (80, 206986), (95, 174304), (104, 159220), (130, 127376), (152, 108940), (160, 103493), (190, 87152), (208, 79610), (247, 67040), (260, 63688), (304, 54470), (380, 43576), (416, 39805), (419, 39520), (494, 33520), (520, 31844), (608, 27235), (760, 21788), (838, 19760), (988, 16760), (1040, 15922), (1235, 13408), (1520, 10894), (1676, 9880), (1976, 8380), (2080, 7961), (2095, 7904), (2470, 6704), (3040, 5447), (3352, 4940), (3952, 4190)]