25498720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 69727392

約数和(自身を除く): 44228672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 41, 46, 52, 65, 80, 82, 92, 104, 115, 130, 160, 164, 169, 184, 205, 208, 230, 260, 299, 328, 338, 368, 410, 416, 460, 520, 533, 598, 656, 676, 736, 820, 845, 920, 943, 1040, 1066, 1196, 1312, 1352, 1495, 1640, 1690, 1840, 1886, 2080, 2132, 2392, 2665, 2704, 2990, 3280, 3380, 3680, 3772, 3887, 4264, 4715, 4784, 5330, 5408, 5980, 6560, 6760, 6929, 7544, 7774, 8528, 9430, 9568, 10660, 11960, 12259, 13520, 13858, 15088, 15548, 17056, 18860, 19435, 21320, 23920, 24518, 27040, 27716, 30176, 31096, 34645, 37720, 38870, 42640, 47840, 49036, 55432, 61295, 62192, 69290, 75440, 77740, 85280, 98072, 110864, 122590, 124384, 138580, 150880, 155480, 159367, 196144, 221728, 245180, 277160, 310960, 318734, 392288, 490360, 554320, 621920, 637468, 796835, 980720, 1108640, 1274936, 1593670, 1961440, 2549872, 3187340, 5099744, 6374680, 12749360, 25498720]

約数ペア:

[(1, 25498720), (2, 12749360), (4, 6374680), (5, 5099744), (8, 3187340), (10, 2549872), (13, 1961440), (16, 1593670), (20, 1274936), (23, 1108640), (26, 980720), (32, 796835), (40, 637468), (41, 621920), (46, 554320), (52, 490360), (65, 392288), (80, 318734), (82, 310960), (92, 277160), (104, 245180), (115, 221728), (130, 196144), (160, 159367), (164, 155480), (169, 150880), (184, 138580), (205, 124384), (208, 122590), (230, 110864), (260, 98072), (299, 85280), (328, 77740), (338, 75440), (368, 69290), (410, 62192), (416, 61295), (460, 55432), (520, 49036), (533, 47840), (598, 42640), (656, 38870), (676, 37720), (736, 34645), (820, 31096), (845, 30176), (920, 27716), (943, 27040), (1040, 24518), (1066, 23920), (1196, 21320), (1312, 19435), (1352, 18860), (1495, 17056), (1640, 15548), (1690, 15088), (1840, 13858), (1886, 13520), (2080, 12259), (2132, 11960), (2392, 10660), (2665, 9568), (2704, 9430), (2990, 8528), (3280, 7774), (3380, 7544), (3680, 6929), (3772, 6760), (3887, 6560), (4264, 5980), (4715, 5408), (4784, 5330)]