55006520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 131392800

約数和(自身を除く): 76386280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 157, 190, 314, 380, 461, 628, 760, 785, 922, 1256, 1570, 1844, 2305, 2983, 3140, 3688, 4610, 5966, 6280, 8759, 9220, 11932, 14915, 17518, 18440, 23864, 29830, 35036, 43795, 59660, 70072, 72377, 87590, 119320, 144754, 175180, 289508, 350360, 361885, 579016, 723770, 1375163, 1447540, 2750326, 2895080, 5500652, 6875815, 11001304, 13751630, 27503260, 55006520]

約数ペア:

[(1, 55006520), (2, 27503260), (4, 13751630), (5, 11001304), (8, 6875815), (10, 5500652), (19, 2895080), (20, 2750326), (38, 1447540), (40, 1375163), (76, 723770), (95, 579016), (152, 361885), (157, 350360), (190, 289508), (314, 175180), (380, 144754), (461, 119320), (628, 87590), (760, 72377), (785, 70072), (922, 59660), (1256, 43795), (1570, 35036), (1844, 29830), (2305, 23864), (2983, 18440), (3140, 17518), (3688, 14915), (4610, 11932), (5966, 9220), (6280, 8759)]