80199680

素因数分解:

$2^{14}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 212330160

約数和(自身を除く): 132130480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 128, 160, 176, 178, 220, 256, 320, 352, 356, 440, 445, 512, 640, 704, 712, 880, 890, 979, 1024, 1280, 1408, 1424, 1760, 1780, 1958, 2048, 2560, 2816, 2848, 3520, 3560, 3916, 4096, 4895, 5120, 5632, 5696, 7040, 7120, 7832, 8192, 9790, 10240, 11264, 11392, 14080, 14240, 15664, 16384, 19580, 20480, 22528, 22784, 28160, 28480, 31328, 39160, 40960, 45056, 45568, 56320, 56960, 62656, 78320, 81920, 90112, 91136, 112640, 113920, 125312, 156640, 180224, 182272, 225280, 227840, 250624, 313280, 364544, 450560, 455680, 501248, 626560, 729088, 901120, 911360, 1002496, 1253120, 1458176, 1822720, 2004992, 2506240, 3645440, 4009984, 5012480, 7290880, 8019968, 10024960, 16039936, 20049920, 40099840, 80199680]

約数ペア:

[(1, 80199680), (2, 40099840), (4, 20049920), (5, 16039936), (8, 10024960), (10, 8019968), (11, 7290880), (16, 5012480), (20, 4009984), (22, 3645440), (32, 2506240), (40, 2004992), (44, 1822720), (55, 1458176), (64, 1253120), (80, 1002496), (88, 911360), (89, 901120), (110, 729088), (128, 626560), (160, 501248), (176, 455680), (178, 450560), (220, 364544), (256, 313280), (320, 250624), (352, 227840), (356, 225280), (440, 182272), (445, 180224), (512, 156640), (640, 125312), (704, 113920), (712, 112640), (880, 91136), (890, 90112), (979, 81920), (1024, 78320), (1280, 62656), (1408, 56960), (1424, 56320), (1760, 45568), (1780, 45056), (1958, 40960), (2048, 39160), (2560, 31328), (2816, 28480), (2848, 28160), (3520, 22784), (3560, 22528), (3916, 20480), (4096, 19580), (4895, 16384), (5120, 15664), (5632, 14240), (5696, 14080), (7040, 11392), (7120, 11264), (7832, 10240), (8192, 9790)]