27708640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 70870464

約数和(自身を除く): 43161824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 68, 80, 85, 122, 136, 160, 167, 170, 244, 272, 305, 334, 340, 488, 544, 610, 668, 680, 835, 976, 1037, 1220, 1336, 1360, 1670, 1952, 2074, 2440, 2672, 2720, 2839, 3340, 4148, 4880, 5185, 5344, 5678, 6680, 8296, 9760, 10187, 10370, 11356, 13360, 14195, 16592, 20374, 20740, 22712, 26720, 28390, 33184, 40748, 41480, 45424, 50935, 56780, 81496, 82960, 90848, 101870, 113560, 162992, 165920, 173179, 203740, 227120, 325984, 346358, 407480, 454240, 692716, 814960, 865895, 1385432, 1629920, 1731790, 2770864, 3463580, 5541728, 6927160, 13854320, 27708640]

約数ペア:

[(1, 27708640), (2, 13854320), (4, 6927160), (5, 5541728), (8, 3463580), (10, 2770864), (16, 1731790), (17, 1629920), (20, 1385432), (32, 865895), (34, 814960), (40, 692716), (61, 454240), (68, 407480), (80, 346358), (85, 325984), (122, 227120), (136, 203740), (160, 173179), (167, 165920), (170, 162992), (244, 113560), (272, 101870), (305, 90848), (334, 82960), (340, 81496), (488, 56780), (544, 50935), (610, 45424), (668, 41480), (680, 40748), (835, 33184), (976, 28390), (1037, 26720), (1220, 22712), (1336, 20740), (1360, 20374), (1670, 16592), (1952, 14195), (2074, 13360), (2440, 11356), (2672, 10370), (2720, 10187), (2839, 9760), (3340, 8296), (4148, 6680), (4880, 5678), (5185, 5344)]