1958420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 4143048

約数和(自身を除く): 2184628

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 541, 724, 905, 1082, 1810, 2164, 2705, 3620, 5410, 10820, 97921, 195842, 391684, 489605, 979210, 1958420]

約数ペア:

[(1, 1958420), (2, 979210), (4, 489605), (5, 391684), (10, 195842), (20, 97921), (181, 10820), (362, 5410), (541, 3620), (724, 2705), (905, 2164), (1082, 1810)]