25574120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 71850240

約数和(自身を除く): 46276120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 170, 187, 220, 221, 260, 263, 286, 340, 374, 440, 442, 520, 526, 572, 680, 715, 748, 884, 935, 1052, 1105, 1144, 1315, 1430, 1496, 1768, 1870, 2104, 2210, 2431, 2630, 2860, 2893, 3419, 3740, 4420, 4471, 4862, 5260, 5720, 5786, 6838, 7480, 8840, 8942, 9724, 10520, 11572, 12155, 13676, 14465, 17095, 17884, 19448, 22355, 23144, 24310, 27352, 28930, 34190, 35768, 37609, 44710, 48620, 49181, 57860, 58123, 68380, 75218, 89420, 97240, 98362, 115720, 116246, 136760, 150436, 178840, 188045, 196724, 232492, 245905, 290615, 300872, 376090, 393448, 464984, 491810, 581230, 639353, 752180, 983620, 1162460, 1278706, 1504360, 1967240, 2324920, 2557412, 3196765, 5114824, 6393530, 12787060, 25574120]

約数ペア:

[(1, 25574120), (2, 12787060), (4, 6393530), (5, 5114824), (8, 3196765), (10, 2557412), (11, 2324920), (13, 1967240), (17, 1504360), (20, 1278706), (22, 1162460), (26, 983620), (34, 752180), (40, 639353), (44, 581230), (52, 491810), (55, 464984), (65, 393448), (68, 376090), (85, 300872), (88, 290615), (104, 245905), (110, 232492), (130, 196724), (136, 188045), (143, 178840), (170, 150436), (187, 136760), (220, 116246), (221, 115720), (260, 98362), (263, 97240), (286, 89420), (340, 75218), (374, 68380), (440, 58123), (442, 57860), (520, 49181), (526, 48620), (572, 44710), (680, 37609), (715, 35768), (748, 34190), (884, 28930), (935, 27352), (1052, 24310), (1105, 23144), (1144, 22355), (1315, 19448), (1430, 17884), (1496, 17095), (1768, 14465), (1870, 13676), (2104, 12155), (2210, 11572), (2431, 10520), (2630, 9724), (2860, 8942), (2893, 8840), (3419, 7480), (3740, 6838), (4420, 5786), (4471, 5720), (4862, 5260)]