80201812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{3923}}^1$

素因数の和:4215

約数の個数: 24

約数和(自身を含む): 148327200

約数和(自身を除く): 68125388

約数列:

[1, 2, 4, 19, 38, 76, 269, 538, 1076, 3923, 5111, 7846, 10222, 15692, 20444, 74537, 149074, 298148, 1055287, 2110574, 4221148, 20050453, 40100906, 80201812]

約数ペア:

[(1, 80201812), (2, 40100906), (4, 20050453), (19, 4221148), (38, 2110574), (76, 1055287), (269, 298148), (538, 149074), (1076, 74537), (3923, 20444), (5111, 15692), (7846, 10222)]