814969000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{8069}}^1$

素因数の和:8191

約数の個数: 64

約数和(自身を含む): 1926147600

約数和(自身を除く): 1111178600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 404, 500, 505, 808, 1000, 1010, 2020, 2525, 4040, 5050, 8069, 10100, 12625, 16138, 20200, 25250, 32276, 40345, 50500, 64552, 80690, 101000, 161380, 201725, 322760, 403450, 806900, 814969, 1008625, 1613800, 1629938, 2017250, 3259876, 4034500, 4074845, 6519752, 8069000, 8149690, 16299380, 20374225, 32598760, 40748450, 81496900, 101871125, 162993800, 203742250, 407484500, 814969000]

約数ペア:

[(1, 814969000), (2, 407484500), (4, 203742250), (5, 162993800), (8, 101871125), (10, 81496900), (20, 40748450), (25, 32598760), (40, 20374225), (50, 16299380), (100, 8149690), (101, 8069000), (125, 6519752), (200, 4074845), (202, 4034500), (250, 3259876), (404, 2017250), (500, 1629938), (505, 1613800), (808, 1008625), (1000, 814969), (1010, 806900), (2020, 403450), (2525, 322760), (4040, 201725), (5050, 161380), (8069, 101000), (10100, 80690), (12625, 64552), (16138, 50500), (20200, 40345), (25250, 32276)]