201998680280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1559113}}^1$

素因数の和:1559244

約数の個数: 64

約数和(自身を含む): 471476073600

約数和(自身を除く): 269477393320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 410, 632, 790, 820, 1580, 1640, 3160, 3239, 6478, 12956, 16195, 25912, 32390, 64780, 129560, 1559113, 3118226, 6236452, 7795565, 12472904, 15591130, 31182260, 62364520, 63923633, 123169927, 127847266, 246339854, 255694532, 319618165, 492679708, 511389064, 615849635, 639236330, 985359416, 1231699270, 1278472660, 2463398540, 2556945320, 4926797080, 5049967007, 10099934014, 20199868028, 25249835035, 40399736056, 50499670070, 100999340140, 201998680280]

約数ペア:

[(1, 201998680280), (2, 100999340140), (4, 50499670070), (5, 40399736056), (8, 25249835035), (10, 20199868028), (20, 10099934014), (40, 5049967007), (41, 4926797080), (79, 2556945320), (82, 2463398540), (158, 1278472660), (164, 1231699270), (205, 985359416), (316, 639236330), (328, 615849635), (395, 511389064), (410, 492679708), (632, 319618165), (790, 255694532), (820, 246339854), (1580, 127847266), (1640, 123169927), (3160, 63923633), (3239, 62364520), (6478, 31182260), (12956, 15591130), (16195, 12472904), (25912, 7795565), (32390, 6236452), (64780, 3118226), (129560, 1559113)]