18444800

素因数分解:

$2^9\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 120

約数和(自身を含む): 50233392

約数和(自身を除く): 31788592

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 131, 160, 176, 200, 220, 256, 262, 275, 320, 352, 400, 440, 512, 524, 550, 640, 655, 704, 800, 880, 1048, 1100, 1280, 1310, 1408, 1441, 1600, 1760, 2096, 2200, 2560, 2620, 2816, 2882, 3200, 3275, 3520, 4192, 4400, 5240, 5632, 5764, 6400, 6550, 7040, 7205, 8384, 8800, 10480, 11528, 12800, 13100, 14080, 14410, 16768, 17600, 20960, 23056, 26200, 28160, 28820, 33536, 35200, 36025, 41920, 46112, 52400, 57640, 67072, 70400, 72050, 83840, 92224, 104800, 115280, 140800, 144100, 167680, 184448, 209600, 230560, 288200, 335360, 368896, 419200, 461120, 576400, 737792, 838400, 922240, 1152800, 1676800, 1844480, 2305600, 3688960, 4611200, 9222400, 18444800]

約数ペア:

[(1, 18444800), (2, 9222400), (4, 4611200), (5, 3688960), (8, 2305600), (10, 1844480), (11, 1676800), (16, 1152800), (20, 922240), (22, 838400), (25, 737792), (32, 576400), (40, 461120), (44, 419200), (50, 368896), (55, 335360), (64, 288200), (80, 230560), (88, 209600), (100, 184448), (110, 167680), (128, 144100), (131, 140800), (160, 115280), (176, 104800), (200, 92224), (220, 83840), (256, 72050), (262, 70400), (275, 67072), (320, 57640), (352, 52400), (400, 46112), (440, 41920), (512, 36025), (524, 35200), (550, 33536), (640, 28820), (655, 28160), (704, 26200), (800, 23056), (880, 20960), (1048, 17600), (1100, 16768), (1280, 14410), (1310, 14080), (1408, 13100), (1441, 12800), (1600, 11528), (1760, 10480), (2096, 8800), (2200, 8384), (2560, 7205), (2620, 7040), (2816, 6550), (2882, 6400), (3200, 5764), (3275, 5632), (3520, 5240), (4192, 4400)]