3967490080

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{245513}}^1$

素因数の和:245629

約数の個数: 48

約数和(自身を含む): 9466037784

約数和(自身を除く): 5498547704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 8080, 16160, 245513, 491026, 982052, 1227565, 1964104, 2455130, 3928208, 4910260, 7856416, 9820520, 19641040, 24796813, 39282080, 49593626, 99187252, 123984065, 198374504, 247968130, 396749008, 495936260, 793498016, 991872520, 1983745040, 3967490080]

約数ペア:

[(1, 3967490080), (2, 1983745040), (4, 991872520), (5, 793498016), (8, 495936260), (10, 396749008), (16, 247968130), (20, 198374504), (32, 123984065), (40, 99187252), (80, 49593626), (101, 39282080), (160, 24796813), (202, 19641040), (404, 9820520), (505, 7856416), (808, 4910260), (1010, 3928208), (1616, 2455130), (2020, 1964104), (3232, 1227565), (4040, 982052), (8080, 491026), (16160, 245513)]