340369053440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20454871}}^1$

素因数の和:20454905

約数の個数: 72

約数和(自身を含む): 878004925728

約数和(自身を除く): 537635872288

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, 16640, 20454871, 40909742, 81819484, 102274355, 163638968, 204548710, 265913323, 327277936, 409097420, 531826646, 654555872, 818194840, 1063653292, 1309111744, 1329566615, 1636389680, 2127306584, 2618223488, 2659133230, 3272779360, 4254613168, 5236446976, 5318266460, 6545558720, 8509226336, 10636532920, 13091117440, 17018452672, 21273065840, 26182234880, 34036905344, 42546131680, 68073810688, 85092263360, 170184526720, 340369053440]

約数ペア:

[(1, 340369053440), (2, 170184526720), (4, 85092263360), (5, 68073810688), (8, 42546131680), (10, 34036905344), (13, 26182234880), (16, 21273065840), (20, 17018452672), (26, 13091117440), (32, 10636532920), (40, 8509226336), (52, 6545558720), (64, 5318266460), (65, 5236446976), (80, 4254613168), (104, 3272779360), (128, 2659133230), (130, 2618223488), (160, 2127306584), (208, 1636389680), (256, 1329566615), (260, 1309111744), (320, 1063653292), (416, 818194840), (520, 654555872), (640, 531826646), (832, 409097420), (1040, 327277936), (1280, 265913323), (1664, 204548710), (2080, 163638968), (3328, 102274355), (4160, 81819484), (8320, 40909742), (16640, 20454871)]