25600640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 70171920

約数和(自身を除く): 44571280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 181, 208, 221, 260, 272, 320, 340, 362, 416, 442, 520, 544, 640, 680, 724, 832, 884, 905, 1040, 1088, 1105, 1360, 1448, 1664, 1768, 1810, 2080, 2176, 2210, 2353, 2720, 2896, 3077, 3536, 3620, 4160, 4420, 4706, 5440, 5792, 6154, 7072, 7240, 8320, 8840, 9412, 10880, 11584, 11765, 12308, 14144, 14480, 15385, 17680, 18824, 23168, 23530, 24616, 28288, 28960, 30770, 35360, 37648, 40001, 47060, 49232, 57920, 61540, 70720, 75296, 80002, 94120, 98464, 115840, 123080, 141440, 150592, 160004, 188240, 196928, 200005, 246160, 301184, 320008, 376480, 393856, 400010, 492320, 640016, 752960, 800020, 984640, 1280032, 1505920, 1600040, 1969280, 2560064, 3200080, 5120128, 6400160, 12800320, 25600640]

約数ペア:

[(1, 25600640), (2, 12800320), (4, 6400160), (5, 5120128), (8, 3200080), (10, 2560064), (13, 1969280), (16, 1600040), (17, 1505920), (20, 1280032), (26, 984640), (32, 800020), (34, 752960), (40, 640016), (52, 492320), (64, 400010), (65, 393856), (68, 376480), (80, 320008), (85, 301184), (104, 246160), (128, 200005), (130, 196928), (136, 188240), (160, 160004), (170, 150592), (181, 141440), (208, 123080), (221, 115840), (260, 98464), (272, 94120), (320, 80002), (340, 75296), (362, 70720), (416, 61540), (442, 57920), (520, 49232), (544, 47060), (640, 40001), (680, 37648), (724, 35360), (832, 30770), (884, 28960), (905, 28288), (1040, 24616), (1088, 23530), (1105, 23168), (1360, 18824), (1448, 17680), (1664, 15385), (1768, 14480), (1810, 14144), (2080, 12308), (2176, 11765), (2210, 11584), (2353, 10880), (2720, 9412), (2896, 8840), (3077, 8320), (3536, 7240), (3620, 7072), (4160, 6154), (4420, 5792), (4706, 5440)]