25334960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 71754336

約数和(自身を除く): 46419376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 281, 322, 368, 392, 460, 490, 560, 562, 644, 784, 805, 920, 980, 1124, 1127, 1288, 1405, 1610, 1840, 1960, 1967, 2248, 2254, 2576, 2810, 3220, 3920, 3934, 4496, 4508, 5620, 5635, 6440, 6463, 7868, 9016, 9835, 11240, 11270, 12880, 12926, 13769, 15736, 18032, 19670, 22480, 22540, 25852, 27538, 31472, 32315, 39340, 45080, 45241, 51704, 55076, 64630, 68845, 78680, 90160, 90482, 103408, 110152, 129260, 137690, 157360, 180964, 220304, 226205, 258520, 275380, 316687, 361928, 452410, 517040, 550760, 633374, 723856, 904820, 1101520, 1266748, 1583435, 1809640, 2533496, 3166870, 3619280, 5066992, 6333740, 12667480, 25334960]

約数ペア:

[(1, 25334960), (2, 12667480), (4, 6333740), (5, 5066992), (7, 3619280), (8, 3166870), (10, 2533496), (14, 1809640), (16, 1583435), (20, 1266748), (23, 1101520), (28, 904820), (35, 723856), (40, 633374), (46, 550760), (49, 517040), (56, 452410), (70, 361928), (80, 316687), (92, 275380), (98, 258520), (112, 226205), (115, 220304), (140, 180964), (161, 157360), (184, 137690), (196, 129260), (230, 110152), (245, 103408), (280, 90482), (281, 90160), (322, 78680), (368, 68845), (392, 64630), (460, 55076), (490, 51704), (560, 45241), (562, 45080), (644, 39340), (784, 32315), (805, 31472), (920, 27538), (980, 25852), (1124, 22540), (1127, 22480), (1288, 19670), (1405, 18032), (1610, 15736), (1840, 13769), (1960, 12926), (1967, 12880), (2248, 11270), (2254, 11240), (2576, 9835), (2810, 9016), (3220, 7868), (3920, 6463), (3934, 6440), (4496, 5635), (4508, 5620)]