25612940

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1583}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 53887680

約数和(自身を除く): 28274740

約数列:

[1, 2, 4, 5, 10, 20, 809, 1583, 1618, 3166, 3236, 4045, 6332, 7915, 8090, 15830, 16180, 31660, 1280647, 2561294, 5122588, 6403235, 12806470, 25612940]

約数ペア:

[(1, 25612940), (2, 12806470), (4, 6403235), (5, 5122588), (10, 2561294), (20, 1280647), (809, 31660), (1583, 16180), (1618, 15830), (3166, 8090), (3236, 7915), (4045, 6332)]