12654020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7109}}^1$

素因数の和:7207

約数の個数: 24

約数和(自身を含む): 26875800

約数和(自身を除く): 14221780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7109, 14218, 28436, 35545, 71090, 142180, 632701, 1265402, 2530804, 3163505, 6327010, 12654020]

約数ペア:

[(1, 12654020), (2, 6327010), (4, 3163505), (5, 2530804), (10, 1265402), (20, 632701), (89, 142180), (178, 71090), (356, 35545), (445, 28436), (890, 14218), (1780, 7109)]