2021480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 4604040

約数和(自身を除く): 2582560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 521, 776, 970, 1042, 1940, 2084, 2605, 3880, 4168, 5210, 10420, 20840, 50537, 101074, 202148, 252685, 404296, 505370, 1010740, 2021480]

約数ペア:

[(1, 2021480), (2, 1010740), (4, 505370), (5, 404296), (8, 252685), (10, 202148), (20, 101074), (40, 50537), (97, 20840), (194, 10420), (388, 5210), (485, 4168), (521, 3880), (776, 2605), (970, 2084), (1042, 1940)]