89428480

素因数分解:

$2^9\times 5^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:397

約数の個数: 80

約数和(自身を含む): 216720504

約数和(自身を除く): 127292024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 193, 256, 320, 362, 386, 512, 640, 724, 772, 905, 965, 1280, 1448, 1544, 1810, 1930, 2560, 2896, 3088, 3620, 3860, 5792, 6176, 7240, 7720, 11584, 12352, 14480, 15440, 23168, 24704, 28960, 30880, 34933, 46336, 49408, 57920, 61760, 69866, 92672, 98816, 115840, 123520, 139732, 174665, 231680, 247040, 279464, 349330, 463360, 494080, 558928, 698660, 1117856, 1397320, 2235712, 2794640, 4471424, 5589280, 8942848, 11178560, 17885696, 22357120, 44714240, 89428480]

約数ペア:

[(1, 89428480), (2, 44714240), (4, 22357120), (5, 17885696), (8, 11178560), (10, 8942848), (16, 5589280), (20, 4471424), (32, 2794640), (40, 2235712), (64, 1397320), (80, 1117856), (128, 698660), (160, 558928), (181, 494080), (193, 463360), (256, 349330), (320, 279464), (362, 247040), (386, 231680), (512, 174665), (640, 139732), (724, 123520), (772, 115840), (905, 98816), (965, 92672), (1280, 69866), (1448, 61760), (1544, 57920), (1810, 49408), (1930, 46336), (2560, 34933), (2896, 30880), (3088, 28960), (3620, 24704), (3860, 23168), (5792, 15440), (6176, 14480), (7240, 12352), (7720, 11584)]