15496240

素因数分解:

$2^4\times 5^1\times {\mathrm{193703}}^1$

素因数の和:193716

約数の個数: 20

約数和(自身を含む): 36028944

約数和(自身を除く): 20532704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193703, 387406, 774812, 968515, 1549624, 1937030, 3099248, 3874060, 7748120, 15496240]

約数ペア:

[(1, 15496240), (2, 7748120), (4, 3874060), (5, 3099248), (8, 1937030), (10, 1549624), (16, 968515), (20, 774812), (40, 387406), (80, 193703)]