63935440

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1993}}^1$

素因数の和:2407

約数の個数: 40

約数和(自身を含む): 149095368

約数和(自身を除く): 85159928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 1993, 2005, 3208, 3986, 4010, 6416, 7972, 8020, 9965, 15944, 16040, 19930, 31888, 32080, 39860, 79720, 159440, 799193, 1598386, 3196772, 3995965, 6393544, 7991930, 12787088, 15983860, 31967720, 63935440]

約数ペア:

[(1, 63935440), (2, 31967720), (4, 15983860), (5, 12787088), (8, 7991930), (10, 6393544), (16, 3995965), (20, 3196772), (40, 1598386), (80, 799193), (401, 159440), (802, 79720), (1604, 39860), (1993, 32080), (2005, 31888), (3208, 19930), (3986, 16040), (4010, 15944), (6416, 9965), (7972, 8020)]