38789080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 95904000

約数和(自身を除く): 57114920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 443, 796, 886, 995, 1592, 1772, 1990, 2189, 2215, 3544, 3980, 4378, 4430, 4873, 7960, 8756, 8860, 9746, 10945, 17512, 17720, 19492, 21890, 24365, 38984, 43780, 48730, 87560, 88157, 97460, 176314, 194920, 352628, 440785, 705256, 881570, 969727, 1763140, 1939454, 3526280, 3878908, 4848635, 7757816, 9697270, 19394540, 38789080]

約数ペア:

[(1, 38789080), (2, 19394540), (4, 9697270), (5, 7757816), (8, 4848635), (10, 3878908), (11, 3526280), (20, 1939454), (22, 1763140), (40, 969727), (44, 881570), (55, 705256), (88, 440785), (110, 352628), (199, 194920), (220, 176314), (398, 97460), (440, 88157), (443, 87560), (796, 48730), (886, 43780), (995, 38984), (1592, 24365), (1772, 21890), (1990, 19492), (2189, 17720), (2215, 17512), (3544, 10945), (3980, 9746), (4378, 8860), (4430, 8756), (4873, 7960)]