64724480

素因数分解:

$2^9\times 5^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:347

約数の個数: 80

約数和(自身を含む): 157181904

約数和(自身を除く): 92457424

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, 1048, 1280, 1310, 1544, 1930, 2096, 2560, 2620, 3088, 3860, 4192, 5240, 6176, 7720, 8384, 10480, 12352, 15440, 16768, 20960, 24704, 25283, 30880, 33536, 41920, 49408, 50566, 61760, 67072, 83840, 98816, 101132, 123520, 126415, 167680, 202264, 247040, 252830, 335360, 404528, 494080, 505660, 809056, 1011320, 1618112, 2022640, 3236224, 4045280, 6472448, 8090560, 12944896, 16181120, 32362240, 64724480]

約数ペア:

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