84884440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21011}}^1$

素因数の和:21123

約数の個数: 32

約数和(自身を含む): 192890160

約数和(自身を除く): 108005720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 21011, 42022, 84044, 105055, 168088, 210110, 420220, 840440, 2122111, 4244222, 8488444, 10610555, 16976888, 21221110, 42442220, 84884440]

約数ペア:

[(1, 84884440), (2, 42442220), (4, 21221110), (5, 16976888), (8, 10610555), (10, 8488444), (20, 4244222), (40, 2122111), (101, 840440), (202, 420220), (404, 210110), (505, 168088), (808, 105055), (1010, 84044), (2020, 42022), (4040, 21011)]