80883200

素因数分解:

$2^9\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 120

約数和(自身を含む): 205500240

約数和(自身を除く): 124617040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 89, 100, 128, 142, 160, 178, 200, 256, 284, 320, 355, 356, 400, 445, 512, 568, 640, 710, 712, 800, 890, 1136, 1280, 1420, 1424, 1600, 1775, 1780, 2225, 2272, 2560, 2840, 2848, 3200, 3550, 3560, 4450, 4544, 5680, 5696, 6319, 6400, 7100, 7120, 8900, 9088, 11360, 11392, 12638, 12800, 14200, 14240, 17800, 18176, 22720, 22784, 25276, 28400, 28480, 31595, 35600, 36352, 45440, 45568, 50552, 56800, 56960, 63190, 71200, 90880, 101104, 113600, 113920, 126380, 142400, 157975, 181760, 202208, 227200, 227840, 252760, 284800, 315950, 404416, 454400, 505520, 569600, 631900, 808832, 908800, 1011040, 1139200, 1263800, 1617664, 2022080, 2527600, 3235328, 4044160, 5055200, 8088320, 10110400, 16176640, 20220800, 40441600, 80883200]

約数ペア:

[(1, 80883200), (2, 40441600), (4, 20220800), (5, 16176640), (8, 10110400), (10, 8088320), (16, 5055200), (20, 4044160), (25, 3235328), (32, 2527600), (40, 2022080), (50, 1617664), (64, 1263800), (71, 1139200), (80, 1011040), (89, 908800), (100, 808832), (128, 631900), (142, 569600), (160, 505520), (178, 454400), (200, 404416), (256, 315950), (284, 284800), (320, 252760), (355, 227840), (356, 227200), (400, 202208), (445, 181760), (512, 157975), (568, 142400), (640, 126380), (710, 113920), (712, 113600), (800, 101104), (890, 90880), (1136, 71200), (1280, 63190), (1420, 56960), (1424, 56800), (1600, 50552), (1775, 45568), (1780, 45440), (2225, 36352), (2272, 35600), (2560, 31595), (2840, 28480), (2848, 28400), (3200, 25276), (3550, 22784), (3560, 22720), (4450, 18176), (4544, 17800), (5680, 14240), (5696, 14200), (6319, 12800), (6400, 12638), (7100, 11392), (7120, 11360), (8900, 9088)]