28437380

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3299}}^1$

素因数の和:3739

約数の個数: 24

約数和(自身を含む): 59875200

約数和(自身を除く): 31437820

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 3299, 4310, 6598, 8620, 13196, 16495, 32990, 65980, 1421869, 2843738, 5687476, 7109345, 14218690, 28437380]

約数ペア:

[(1, 28437380), (2, 14218690), (4, 7109345), (5, 5687476), (10, 2843738), (20, 1421869), (431, 65980), (862, 32990), (1724, 16495), (2155, 13196), (3299, 8620), (4310, 6598)]