16428640

素因数分解:

$2^5\times 5^1\times {\mathrm{102679}}^1$

素因数の和:102694

約数の個数: 24

約数和(自身を含む): 38813040

約数和(自身を除く): 22384400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 102679, 205358, 410716, 513395, 821432, 1026790, 1642864, 2053580, 3285728, 4107160, 8214320, 16428640]

約数ペア:

[(1, 16428640), (2, 8214320), (4, 4107160), (5, 3285728), (8, 2053580), (10, 1642864), (16, 1026790), (20, 821432), (32, 513395), (40, 410716), (80, 205358), (160, 102679)]