2070500

素因数分解:

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

素因数の和:161

約数の個数: 48

約数和(自身を含む): 4678128

約数和(自身を除く): 2607628

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 101, 125, 164, 202, 205, 250, 404, 410, 500, 505, 820, 1010, 1025, 2020, 2050, 2525, 4100, 4141, 5050, 5125, 8282, 10100, 10250, 12625, 16564, 20500, 20705, 25250, 41410, 50500, 82820, 103525, 207050, 414100, 517625, 1035250, 2070500]

約数ペア:

[(1, 2070500), (2, 1035250), (4, 517625), (5, 414100), (10, 207050), (20, 103525), (25, 82820), (41, 50500), (50, 41410), (82, 25250), (100, 20705), (101, 20500), (125, 16564), (164, 12625), (202, 10250), (205, 10100), (250, 8282), (404, 5125), (410, 5050), (500, 4141), (505, 4100), (820, 2525), (1010, 2050), (1025, 2020)]