28162880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 112

約数和(自身を含む): 73737216

約数和(自身を除く): 45574336

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 167, 170, 248, 272, 310, 320, 334, 340, 496, 527, 544, 620, 668, 680, 835, 992, 1054, 1088, 1240, 1336, 1360, 1670, 1984, 2108, 2480, 2635, 2672, 2720, 2839, 3340, 4216, 4960, 5177, 5270, 5344, 5440, 5678, 6680, 8432, 9920, 10354, 10540, 10688, 11356, 13360, 14195, 16864, 20708, 21080, 22712, 25885, 26720, 28390, 33728, 41416, 42160, 45424, 51770, 53440, 56780, 82832, 84320, 88009, 90848, 103540, 113560, 165664, 168640, 176018, 181696, 207080, 227120, 331328, 352036, 414160, 440045, 454240, 704072, 828320, 880090, 908480, 1408144, 1656640, 1760180, 2816288, 3520360, 5632576, 7040720, 14081440, 28162880]

約数ペア:

[(1, 28162880), (2, 14081440), (4, 7040720), (5, 5632576), (8, 3520360), (10, 2816288), (16, 1760180), (17, 1656640), (20, 1408144), (31, 908480), (32, 880090), (34, 828320), (40, 704072), (62, 454240), (64, 440045), (68, 414160), (80, 352036), (85, 331328), (124, 227120), (136, 207080), (155, 181696), (160, 176018), (167, 168640), (170, 165664), (248, 113560), (272, 103540), (310, 90848), (320, 88009), (334, 84320), (340, 82832), (496, 56780), (527, 53440), (544, 51770), (620, 45424), (668, 42160), (680, 41416), (835, 33728), (992, 28390), (1054, 26720), (1088, 25885), (1240, 22712), (1336, 21080), (1360, 20708), (1670, 16864), (1984, 14195), (2108, 13360), (2480, 11356), (2635, 10688), (2672, 10540), (2720, 10354), (2839, 9920), (3340, 8432), (4216, 6680), (4960, 5678), (5177, 5440), (5270, 5344)]