51351040

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1579

約数の個数: 80

約数和(自身を含む): 132679008

約数和(自身を除く): 81327968

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, 1543, 1664, 2080, 2560, 3086, 3328, 4160, 6172, 6656, 7715, 8320, 12344, 15430, 16640, 20059, 24688, 30860, 33280, 40118, 49376, 61720, 80236, 98752, 100295, 123440, 160472, 197504, 200590, 246880, 320944, 395008, 401180, 493760, 641888, 790016, 802360, 987520, 1283776, 1604720, 1975040, 2567552, 3209440, 3950080, 5135104, 6418880, 10270208, 12837760, 25675520, 51351040]

約数ペア:

[(1, 51351040), (2, 25675520), (4, 12837760), (5, 10270208), (8, 6418880), (10, 5135104), (13, 3950080), (16, 3209440), (20, 2567552), (26, 1975040), (32, 1604720), (40, 1283776), (52, 987520), (64, 802360), (65, 790016), (80, 641888), (104, 493760), (128, 401180), (130, 395008), (160, 320944), (208, 246880), (256, 200590), (260, 197504), (320, 160472), (416, 123440), (512, 100295), (520, 98752), (640, 80236), (832, 61720), (1040, 49376), (1280, 40118), (1543, 33280), (1664, 30860), (2080, 24688), (2560, 20059), (3086, 16640), (3328, 15430), (4160, 12344), (6172, 8320), (6656, 7715)]