25182640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 67549248

約数和(自身を除く): 42366608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 193, 233, 280, 386, 466, 560, 772, 932, 965, 1165, 1351, 1544, 1631, 1864, 1930, 2330, 2702, 3088, 3262, 3728, 3860, 4660, 5404, 6524, 6755, 7720, 8155, 9320, 10808, 13048, 13510, 15440, 16310, 18640, 21616, 26096, 27020, 32620, 44969, 54040, 65240, 89938, 108080, 130480, 179876, 224845, 314783, 359752, 449690, 629566, 719504, 899380, 1259132, 1573915, 1798760, 2518264, 3147830, 3597520, 5036528, 6295660, 12591320, 25182640]

約数ペア:

[(1, 25182640), (2, 12591320), (4, 6295660), (5, 5036528), (7, 3597520), (8, 3147830), (10, 2518264), (14, 1798760), (16, 1573915), (20, 1259132), (28, 899380), (35, 719504), (40, 629566), (56, 449690), (70, 359752), (80, 314783), (112, 224845), (140, 179876), (193, 130480), (233, 108080), (280, 89938), (386, 65240), (466, 54040), (560, 44969), (772, 32620), (932, 27020), (965, 26096), (1165, 21616), (1351, 18640), (1544, 16310), (1631, 15440), (1864, 13510), (1930, 13048), (2330, 10808), (2702, 9320), (3088, 8155), (3262, 7720), (3728, 6755), (3860, 6524), (4660, 5404)]