25563616

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 56722680

約数和(自身を除く): 31159064

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 116, 163, 169, 208, 232, 326, 338, 377, 416, 464, 652, 676, 754, 928, 1304, 1352, 1508, 2119, 2608, 2704, 3016, 4238, 4727, 4901, 5216, 5408, 6032, 8476, 9454, 9802, 12064, 16952, 18908, 19604, 27547, 33904, 37816, 39208, 55094, 61451, 67808, 75632, 78416, 110188, 122902, 151264, 156832, 220376, 245804, 440752, 491608, 798863, 881504, 983216, 1597726, 1966432, 3195452, 6390904, 12781808, 25563616]

約数ペア:

[(1, 25563616), (2, 12781808), (4, 6390904), (8, 3195452), (13, 1966432), (16, 1597726), (26, 983216), (29, 881504), (32, 798863), (52, 491608), (58, 440752), (104, 245804), (116, 220376), (163, 156832), (169, 151264), (208, 122902), (232, 110188), (326, 78416), (338, 75632), (377, 67808), (416, 61451), (464, 55094), (652, 39208), (676, 37816), (754, 33904), (928, 27547), (1304, 19604), (1352, 18908), (1508, 16952), (2119, 12064), (2608, 9802), (2704, 9454), (3016, 8476), (4238, 6032), (4727, 5408), (4901, 5216)]