2820380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4549}}^1$

素因数の和:4589

約数の個数: 24

約数和(自身を含む): 6115200

約数和(自身を除く): 3294820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4549, 9098, 18196, 22745, 45490, 90980, 141019, 282038, 564076, 705095, 1410190, 2820380]

約数ペア:

[(1, 2820380), (2, 1410190), (4, 705095), (5, 564076), (10, 282038), (20, 141019), (31, 90980), (62, 45490), (124, 22745), (155, 18196), (310, 9098), (620, 4549)]