1890920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 4362120

約数和(自身を除く): 2471200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1153, 1640, 2306, 4612, 5765, 9224, 11530, 23060, 46120, 47273, 94546, 189092, 236365, 378184, 472730, 945460, 1890920]

約数ペア:

[(1, 1890920), (2, 945460), (4, 472730), (5, 378184), (8, 236365), (10, 189092), (20, 94546), (40, 47273), (41, 46120), (82, 23060), (164, 11530), (205, 9224), (328, 5765), (410, 4612), (820, 2306), (1153, 1640)]