28316960

素因数分解:

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

素因数の和:346

約数の個数: 96

約数和(自身を含む): 77438592

約数和(自身を除く): 49121632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 131, 140, 160, 193, 224, 262, 280, 386, 524, 560, 655, 772, 917, 965, 1048, 1120, 1310, 1351, 1544, 1834, 1930, 2096, 2620, 2702, 3088, 3668, 3860, 4192, 4585, 5240, 5404, 6176, 6755, 7336, 7720, 9170, 10480, 10808, 13510, 14672, 15440, 18340, 20960, 21616, 25283, 27020, 29344, 30880, 36680, 43232, 50566, 54040, 73360, 101132, 108080, 126415, 146720, 176981, 202264, 216160, 252830, 353962, 404528, 505660, 707924, 809056, 884905, 1011320, 1415848, 1769810, 2022640, 2831696, 3539620, 4045280, 5663392, 7079240, 14158480, 28316960]

約数ペア:

[(1, 28316960), (2, 14158480), (4, 7079240), (5, 5663392), (7, 4045280), (8, 3539620), (10, 2831696), (14, 2022640), (16, 1769810), (20, 1415848), (28, 1011320), (32, 884905), (35, 809056), (40, 707924), (56, 505660), (70, 404528), (80, 353962), (112, 252830), (131, 216160), (140, 202264), (160, 176981), (193, 146720), (224, 126415), (262, 108080), (280, 101132), (386, 73360), (524, 54040), (560, 50566), (655, 43232), (772, 36680), (917, 30880), (965, 29344), (1048, 27020), (1120, 25283), (1310, 21616), (1351, 20960), (1544, 18340), (1834, 15440), (1930, 14672), (2096, 13510), (2620, 10808), (2702, 10480), (3088, 9170), (3668, 7720), (3860, 7336), (4192, 6755), (4585, 6176), (5240, 5404)]