129448960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:349

約数の個数: 88

約数和(自身を含む): 314517456

約数和(自身を除く): 185068496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 193, 256, 262, 320, 386, 512, 524, 640, 655, 772, 965, 1024, 1048, 1280, 1310, 1544, 1930, 2096, 2560, 2620, 3088, 3860, 4192, 5120, 5240, 6176, 7720, 8384, 10480, 12352, 15440, 16768, 20960, 24704, 25283, 30880, 33536, 41920, 49408, 50566, 61760, 67072, 83840, 98816, 101132, 123520, 126415, 134144, 167680, 197632, 202264, 247040, 252830, 335360, 404528, 494080, 505660, 670720, 809056, 988160, 1011320, 1618112, 2022640, 3236224, 4045280, 6472448, 8090560, 12944896, 16181120, 25889792, 32362240, 64724480, 129448960]

約数ペア:

[(1, 129448960), (2, 64724480), (4, 32362240), (5, 25889792), (8, 16181120), (10, 12944896), (16, 8090560), (20, 6472448), (32, 4045280), (40, 3236224), (64, 2022640), (80, 1618112), (128, 1011320), (131, 988160), (160, 809056), (193, 670720), (256, 505660), (262, 494080), (320, 404528), (386, 335360), (512, 252830), (524, 247040), (640, 202264), (655, 197632), (772, 167680), (965, 134144), (1024, 126415), (1048, 123520), (1280, 101132), (1310, 98816), (1544, 83840), (1930, 67072), (2096, 61760), (2560, 50566), (2620, 49408), (3088, 41920), (3860, 33536), (4192, 30880), (5120, 25283), (5240, 24704), (6176, 20960), (7720, 16768), (8384, 15440), (10480, 12352)]