53885720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{863}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 139345920

約数和(自身を除く): 85460200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 863, 892, 1115, 1561, 1726, 1784, 2230, 3122, 3452, 4315, 4460, 6041, 6244, 6904, 7805, 8630, 8920, 12082, 12488, 15610, 17260, 24164, 30205, 31220, 34520, 48328, 60410, 62440, 120820, 192449, 241640, 384898, 769796, 962245, 1347143, 1539592, 1924490, 2694286, 3848980, 5388572, 6735715, 7697960, 10777144, 13471430, 26942860, 53885720]

約数ペア:

[(1, 53885720), (2, 26942860), (4, 13471430), (5, 10777144), (7, 7697960), (8, 6735715), (10, 5388572), (14, 3848980), (20, 2694286), (28, 1924490), (35, 1539592), (40, 1347143), (56, 962245), (70, 769796), (140, 384898), (223, 241640), (280, 192449), (446, 120820), (863, 62440), (892, 60410), (1115, 48328), (1561, 34520), (1726, 31220), (1784, 30205), (2230, 24164), (3122, 17260), (3452, 15610), (4315, 12488), (4460, 12082), (6041, 8920), (6244, 8630), (6904, 7805)]