51165920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1447}}^1$

素因数の和:1492

約数の個数: 96

約数和(自身を含む): 137930688

約数和(自身を除く): 86764768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 884, 1040, 1105, 1360, 1447, 1768, 2080, 2210, 2720, 2894, 3536, 4420, 5788, 7072, 7235, 8840, 11576, 14470, 17680, 18811, 23152, 24599, 28940, 35360, 37622, 46304, 49198, 57880, 75244, 94055, 98396, 115760, 122995, 150488, 188110, 196792, 231520, 245990, 300976, 319787, 376220, 393584, 491980, 601952, 639574, 752440, 787168, 983960, 1279148, 1504880, 1598935, 1967920, 2558296, 3009760, 3197870, 3935840, 5116592, 6395740, 10233184, 12791480, 25582960, 51165920]

約数ペア:

[(1, 51165920), (2, 25582960), (4, 12791480), (5, 10233184), (8, 6395740), (10, 5116592), (13, 3935840), (16, 3197870), (17, 3009760), (20, 2558296), (26, 1967920), (32, 1598935), (34, 1504880), (40, 1279148), (52, 983960), (65, 787168), (68, 752440), (80, 639574), (85, 601952), (104, 491980), (130, 393584), (136, 376220), (160, 319787), (170, 300976), (208, 245990), (221, 231520), (260, 196792), (272, 188110), (340, 150488), (416, 122995), (442, 115760), (520, 98396), (544, 94055), (680, 75244), (884, 57880), (1040, 49198), (1105, 46304), (1360, 37622), (1447, 35360), (1768, 28940), (2080, 24599), (2210, 23152), (2720, 18811), (2894, 17680), (3536, 14470), (4420, 11576), (5788, 8840), (7072, 7235)]