66444951040

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1996543}}^1$

素因数の和:1996579

約数の個数: 80

約数和(自身を含む): 171567019008

約数和(自身を除く): 105122067968

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, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 6656, 8320, 16640, 33280, 1996543, 3993086, 7986172, 9982715, 15972344, 19965430, 25955059, 31944688, 39930860, 51910118, 63889376, 79861720, 103820236, 127778752, 129775295, 159723440, 207640472, 255557504, 259550590, 319446880, 415280944, 511115008, 519101180, 638893760, 830561888, 1022230016, 1038202360, 1277787520, 1661123776, 2076404720, 2555575040, 3322247552, 4152809440, 5111150080, 6644495104, 8305618880, 13288990208, 16611237760, 33222475520, 66444951040]

約数ペア:

[(1, 66444951040), (2, 33222475520), (4, 16611237760), (5, 13288990208), (8, 8305618880), (10, 6644495104), (13, 5111150080), (16, 4152809440), (20, 3322247552), (26, 2555575040), (32, 2076404720), (40, 1661123776), (52, 1277787520), (64, 1038202360), (65, 1022230016), (80, 830561888), (104, 638893760), (128, 519101180), (130, 511115008), (160, 415280944), (208, 319446880), (256, 259550590), (260, 255557504), (320, 207640472), (416, 159723440), (512, 129775295), (520, 127778752), (640, 103820236), (832, 79861720), (1040, 63889376), (1280, 51910118), (1664, 39930860), (2080, 31944688), (2560, 25955059), (3328, 19965430), (4160, 15972344), (6656, 9982715), (8320, 7986172), (16640, 3993086), (33280, 1996543)]