56040040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{761}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 144840960

約数和(自身を除く): 88800920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 761, 1052, 1315, 1522, 1841, 2104, 2630, 3044, 3682, 3805, 5260, 5327, 6088, 7364, 7610, 9205, 10520, 10654, 14728, 15220, 18410, 21308, 26635, 30440, 36820, 42616, 53270, 73640, 106540, 200143, 213080, 400286, 800572, 1000715, 1401001, 1601144, 2001430, 2802002, 4002860, 5604004, 7005005, 8005720, 11208008, 14010010, 28020020, 56040040]

約数ペア:

[(1, 56040040), (2, 28020020), (4, 14010010), (5, 11208008), (7, 8005720), (8, 7005005), (10, 5604004), (14, 4002860), (20, 2802002), (28, 2001430), (35, 1601144), (40, 1401001), (56, 1000715), (70, 800572), (140, 400286), (263, 213080), (280, 200143), (526, 106540), (761, 73640), (1052, 53270), (1315, 42616), (1522, 36820), (1841, 30440), (2104, 26635), (2630, 21308), (3044, 18410), (3682, 15220), (3805, 14728), (5260, 10654), (5327, 10520), (6088, 9205), (7364, 7610)]