13620640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 35925120

約数和(自身を除く): 22304480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 109, 110, 142, 160, 176, 218, 220, 284, 352, 355, 436, 440, 545, 568, 710, 781, 872, 880, 1090, 1136, 1199, 1420, 1562, 1744, 1760, 2180, 2272, 2398, 2840, 3124, 3488, 3905, 4360, 4796, 5680, 5995, 6248, 7739, 7810, 8720, 9592, 11360, 11990, 12496, 15478, 15620, 17440, 19184, 23980, 24992, 30956, 31240, 38368, 38695, 47960, 61912, 62480, 77390, 85129, 95920, 123824, 124960, 154780, 170258, 191840, 247648, 309560, 340516, 425645, 619120, 681032, 851290, 1238240, 1362064, 1702580, 2724128, 3405160, 6810320, 13620640]

約数ペア:

[(1, 13620640), (2, 6810320), (4, 3405160), (5, 2724128), (8, 1702580), (10, 1362064), (11, 1238240), (16, 851290), (20, 681032), (22, 619120), (32, 425645), (40, 340516), (44, 309560), (55, 247648), (71, 191840), (80, 170258), (88, 154780), (109, 124960), (110, 123824), (142, 95920), (160, 85129), (176, 77390), (218, 62480), (220, 61912), (284, 47960), (352, 38695), (355, 38368), (436, 31240), (440, 30956), (545, 24992), (568, 23980), (710, 19184), (781, 17440), (872, 15620), (880, 15478), (1090, 12496), (1136, 11990), (1199, 11360), (1420, 9592), (1562, 8720), (1744, 7810), (1760, 7739), (2180, 6248), (2272, 5995), (2398, 5680), (2840, 4796), (3124, 4360), (3488, 3905)]