20303294080

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{4597}}^1$

素因数の和:4786

約数の個数: 128

約数和(自身を含む): 49751095680

約数和(自身を除く): 29447801600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 103, 128, 134, 160, 206, 268, 320, 335, 412, 515, 536, 640, 670, 824, 1030, 1072, 1340, 1648, 2060, 2144, 2680, 3296, 4120, 4288, 4597, 5360, 6592, 6901, 8240, 8576, 9194, 10720, 13184, 13802, 16480, 18388, 21440, 22985, 27604, 32960, 34505, 36776, 42880, 45970, 55208, 65920, 69010, 73552, 91940, 110416, 138020, 147104, 183880, 220832, 276040, 294208, 307999, 367760, 441664, 473491, 552080, 588416, 615998, 735520, 883328, 946982, 1104160, 1231996, 1471040, 1539995, 1893964, 2208320, 2367455, 2463992, 2942080, 3079990, 3787928, 4416640, 4734910, 4927984, 6159980, 7575856, 9469820, 9855968, 12319960, 15151712, 18939640, 19711936, 24639920, 30303424, 31723897, 37879280, 39423872, 49279840, 60606848, 63447794, 75758560, 98559680, 126895588, 151517120, 158619485, 197119360, 253791176, 303034240, 317238970, 507582352, 634477940, 1015164704, 1268955880, 2030329408, 2537911760, 4060658816, 5075823520, 10151647040, 20303294080]

約数ペア:

[(1, 20303294080), (2, 10151647040), (4, 5075823520), (5, 4060658816), (8, 2537911760), (10, 2030329408), (16, 1268955880), (20, 1015164704), (32, 634477940), (40, 507582352), (64, 317238970), (67, 303034240), (80, 253791176), (103, 197119360), (128, 158619485), (134, 151517120), (160, 126895588), (206, 98559680), (268, 75758560), (320, 63447794), (335, 60606848), (412, 49279840), (515, 39423872), (536, 37879280), (640, 31723897), (670, 30303424), (824, 24639920), (1030, 19711936), (1072, 18939640), (1340, 15151712), (1648, 12319960), (2060, 9855968), (2144, 9469820), (2680, 7575856), (3296, 6159980), (4120, 4927984), (4288, 4734910), (4597, 4416640), (5360, 3787928), (6592, 3079990), (6901, 2942080), (8240, 2463992), (8576, 2367455), (9194, 2208320), (10720, 1893964), (13184, 1539995), (13802, 1471040), (16480, 1231996), (18388, 1104160), (21440, 946982), (22985, 883328), (27604, 735520), (32960, 615998), (34505, 588416), (36776, 552080), (42880, 473491), (45970, 441664), (55208, 367760), (65920, 307999), (69010, 294208), (73552, 276040), (91940, 220832), (110416, 183880), (138020, 147104)]