25515280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 72263232

約数和(自身を除く): 46747952

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, 283, 322, 368, 392, 460, 490, 560, 566, 644, 784, 805, 920, 980, 1127, 1132, 1288, 1415, 1610, 1840, 1960, 1981, 2254, 2264, 2576, 2830, 3220, 3920, 3962, 4508, 4528, 5635, 5660, 6440, 6509, 7924, 9016, 9905, 11270, 11320, 12880, 13018, 13867, 15848, 18032, 19810, 22540, 22640, 26036, 27734, 31696, 32545, 39620, 45080, 45563, 52072, 55468, 65090, 69335, 79240, 90160, 91126, 104144, 110936, 130180, 138670, 158480, 182252, 221872, 227815, 260360, 277340, 318941, 364504, 455630, 520720, 554680, 637882, 729008, 911260, 1109360, 1275764, 1594705, 1822520, 2551528, 3189410, 3645040, 5103056, 6378820, 12757640, 25515280]

約数ペア:

[(1, 25515280), (2, 12757640), (4, 6378820), (5, 5103056), (7, 3645040), (8, 3189410), (10, 2551528), (14, 1822520), (16, 1594705), (20, 1275764), (23, 1109360), (28, 911260), (35, 729008), (40, 637882), (46, 554680), (49, 520720), (56, 455630), (70, 364504), (80, 318941), (92, 277340), (98, 260360), (112, 227815), (115, 221872), (140, 182252), (161, 158480), (184, 138670), (196, 130180), (230, 110936), (245, 104144), (280, 91126), (283, 90160), (322, 79240), (368, 69335), (392, 65090), (460, 55468), (490, 52072), (560, 45563), (566, 45080), (644, 39620), (784, 32545), (805, 31696), (920, 27734), (980, 26036), (1127, 22640), (1132, 22540), (1288, 19810), (1415, 18032), (1610, 15848), (1840, 13867), (1960, 13018), (1981, 12880), (2254, 11320), (2264, 11270), (2576, 9905), (2830, 9016), (3220, 7924), (3920, 6509), (3962, 6440), (4508, 5660), (4528, 5635)]