828200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 1992060

約数和(自身を除く): 1163860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 101, 164, 200, 202, 205, 328, 404, 410, 505, 808, 820, 1010, 1025, 1640, 2020, 2050, 2525, 4040, 4100, 4141, 5050, 8200, 8282, 10100, 16564, 20200, 20705, 33128, 41410, 82820, 103525, 165640, 207050, 414100, 828200]

約数ペア:

[(1, 828200), (2, 414100), (4, 207050), (5, 165640), (8, 103525), (10, 82820), (20, 41410), (25, 33128), (40, 20705), (41, 20200), (50, 16564), (82, 10100), (100, 8282), (101, 8200), (164, 5050), (200, 4141), (202, 4100), (205, 4040), (328, 2525), (404, 2050), (410, 2020), (505, 1640), (808, 1025), (820, 1010)]