25889440

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 64665216

約数和(自身を除く): 38775776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 53, 71, 80, 86, 106, 142, 160, 172, 212, 215, 265, 284, 344, 355, 424, 430, 530, 568, 688, 710, 848, 860, 1060, 1136, 1376, 1420, 1696, 1720, 2120, 2272, 2279, 2840, 3053, 3440, 3763, 4240, 4558, 5680, 6106, 6880, 7526, 8480, 9116, 11360, 11395, 12212, 15052, 15265, 18232, 18815, 22790, 24424, 30104, 30530, 36464, 37630, 45580, 48848, 60208, 61060, 72928, 75260, 91160, 97696, 120416, 122120, 150520, 161809, 182320, 244240, 301040, 323618, 364640, 488480, 602080, 647236, 809045, 1294472, 1618090, 2588944, 3236180, 5177888, 6472360, 12944720, 25889440]

約数ペア:

[(1, 25889440), (2, 12944720), (4, 6472360), (5, 5177888), (8, 3236180), (10, 2588944), (16, 1618090), (20, 1294472), (32, 809045), (40, 647236), (43, 602080), (53, 488480), (71, 364640), (80, 323618), (86, 301040), (106, 244240), (142, 182320), (160, 161809), (172, 150520), (212, 122120), (215, 120416), (265, 97696), (284, 91160), (344, 75260), (355, 72928), (424, 61060), (430, 60208), (530, 48848), (568, 45580), (688, 37630), (710, 36464), (848, 30530), (860, 30104), (1060, 24424), (1136, 22790), (1376, 18815), (1420, 18232), (1696, 15265), (1720, 15052), (2120, 12212), (2272, 11395), (2279, 11360), (2840, 9116), (3053, 8480), (3440, 7526), (3763, 6880), (4240, 6106), (4558, 5680)]