28638620

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3307}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 60298224

約数和(自身を除く): 31659604

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 3307, 4330, 6614, 8660, 13228, 16535, 33070, 66140, 1431931, 2863862, 5727724, 7159655, 14319310, 28638620]

約数ペア:

[(1, 28638620), (2, 14319310), (4, 7159655), (5, 5727724), (10, 2863862), (20, 1431931), (433, 66140), (866, 33070), (1732, 16535), (2165, 13228), (3307, 8660), (4330, 6614)]