16181120

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 39180240

約数和(自身を除く): 22999120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 193, 262, 320, 386, 524, 640, 655, 772, 965, 1048, 1310, 1544, 1930, 2096, 2620, 3088, 3860, 4192, 5240, 6176, 7720, 8384, 10480, 12352, 15440, 16768, 20960, 24704, 25283, 30880, 41920, 50566, 61760, 83840, 101132, 123520, 126415, 202264, 252830, 404528, 505660, 809056, 1011320, 1618112, 2022640, 3236224, 4045280, 8090560, 16181120]

約数ペア:

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