3896186440

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{311197}}^1$

素因数の和:311521

約数の個数: 32

約数和(自身を含む): 8794455480

約数和(自身を除く): 4898269040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 311197, 622394, 1244788, 1555985, 2489576, 3111970, 6223940, 12447880, 97404661, 194809322, 389618644, 487023305, 779237288, 974046610, 1948093220, 3896186440]

約数ペア:

[(1, 3896186440), (2, 1948093220), (4, 974046610), (5, 779237288), (8, 487023305), (10, 389618644), (20, 194809322), (40, 97404661), (313, 12447880), (626, 6223940), (1252, 3111970), (1565, 2489576), (2504, 1555985), (3130, 1244788), (6260, 622394), (12520, 311197)]