208282880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12517}}^1$

素因数の和:12551

約数の個数: 72

約数和(自身を含む): 537322632

約数和(自身を除く): 329039752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 12517, 16640, 25034, 50068, 62585, 100136, 125170, 162721, 200272, 250340, 325442, 400544, 500680, 650884, 801088, 813605, 1001360, 1301768, 1602176, 1627210, 2002720, 2603536, 3204352, 3254420, 4005440, 5207072, 6508840, 8010880, 10414144, 13017680, 16021760, 20828288, 26035360, 41656576, 52070720, 104141440, 208282880]

約数ペア:

[(1, 208282880), (2, 104141440), (4, 52070720), (5, 41656576), (8, 26035360), (10, 20828288), (13, 16021760), (16, 13017680), (20, 10414144), (26, 8010880), (32, 6508840), (40, 5207072), (52, 4005440), (64, 3254420), (65, 3204352), (80, 2603536), (104, 2002720), (128, 1627210), (130, 1602176), (160, 1301768), (208, 1001360), (256, 813605), (260, 801088), (320, 650884), (416, 500680), (520, 400544), (640, 325442), (832, 250340), (1040, 200272), (1280, 162721), (1664, 125170), (2080, 100136), (3328, 62585), (4160, 50068), (8320, 25034), (12517, 16640)]