13181500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 29536416

約数和(自身を除く): 16354916

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 643, 820, 1025, 1286, 2050, 2572, 3215, 4100, 5125, 6430, 10250, 12860, 16075, 20500, 26363, 32150, 52726, 64300, 80375, 105452, 131815, 160750, 263630, 321500, 527260, 659075, 1318150, 2636300, 3295375, 6590750, 13181500]

約数ペア:

[(1, 13181500), (2, 6590750), (4, 3295375), (5, 2636300), (10, 1318150), (20, 659075), (25, 527260), (41, 321500), (50, 263630), (82, 160750), (100, 131815), (125, 105452), (164, 80375), (205, 64300), (250, 52726), (410, 32150), (500, 26363), (643, 20500), (820, 16075), (1025, 12860), (1286, 10250), (2050, 6430), (2572, 5125), (3215, 4100)]