67912400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^2\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 90

約数和(自身を含む): 168891906

約数和(自身を除く): 100979506

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 101, 164, 200, 202, 205, 328, 400, 404, 410, 505, 656, 808, 820, 1010, 1025, 1616, 1640, 1681, 2020, 2050, 2525, 3280, 3362, 4040, 4100, 4141, 5050, 6724, 8080, 8200, 8282, 8405, 10100, 13448, 16400, 16564, 16810, 20200, 20705, 26896, 33128, 33620, 40400, 41410, 42025, 66256, 67240, 82820, 84050, 103525, 134480, 165640, 168100, 169781, 207050, 331280, 336200, 339562, 414100, 672400, 679124, 828200, 848905, 1358248, 1656400, 1697810, 2716496, 3395620, 4244525, 6791240, 8489050, 13582480, 16978100, 33956200, 67912400]

約数ペア:

[(1, 67912400), (2, 33956200), (4, 16978100), (5, 13582480), (8, 8489050), (10, 6791240), (16, 4244525), (20, 3395620), (25, 2716496), (40, 1697810), (41, 1656400), (50, 1358248), (80, 848905), (82, 828200), (100, 679124), (101, 672400), (164, 414100), (200, 339562), (202, 336200), (205, 331280), (328, 207050), (400, 169781), (404, 168100), (410, 165640), (505, 134480), (656, 103525), (808, 84050), (820, 82820), (1010, 67240), (1025, 66256), (1616, 42025), (1640, 41410), (1681, 40400), (2020, 33620), (2050, 33128), (2525, 26896), (3280, 20705), (3362, 20200), (4040, 16810), (4100, 16564), (4141, 16400), (5050, 13448), (6724, 10100), (8080, 8405), (8200, 8282)]