13279840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 36578304

約数和(自身を除く): 23298464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 167, 224, 280, 284, 334, 355, 497, 560, 568, 668, 710, 835, 994, 1120, 1136, 1169, 1336, 1420, 1670, 1988, 2272, 2338, 2485, 2672, 2840, 3340, 3976, 4676, 4970, 5344, 5680, 5845, 6680, 7952, 9352, 9940, 11360, 11690, 11857, 13360, 15904, 18704, 19880, 23380, 23714, 26720, 37408, 39760, 46760, 47428, 59285, 79520, 82999, 93520, 94856, 118570, 165998, 187040, 189712, 237140, 331996, 379424, 414995, 474280, 663992, 829990, 948560, 1327984, 1659980, 1897120, 2655968, 3319960, 6639920, 13279840]

約数ペア:

[(1, 13279840), (2, 6639920), (4, 3319960), (5, 2655968), (7, 1897120), (8, 1659980), (10, 1327984), (14, 948560), (16, 829990), (20, 663992), (28, 474280), (32, 414995), (35, 379424), (40, 331996), (56, 237140), (70, 189712), (71, 187040), (80, 165998), (112, 118570), (140, 94856), (142, 93520), (160, 82999), (167, 79520), (224, 59285), (280, 47428), (284, 46760), (334, 39760), (355, 37408), (497, 26720), (560, 23714), (568, 23380), (668, 19880), (710, 18704), (835, 15904), (994, 13360), (1120, 11857), (1136, 11690), (1169, 11360), (1336, 9940), (1420, 9352), (1670, 7952), (1988, 6680), (2272, 5845), (2338, 5680), (2485, 5344), (2672, 4970), (2840, 4676), (3340, 3976)]