201923180

素因数分解:

$2^2\times 5^1\times {\mathrm{2531}}^1\times {\mathrm{3989}}^1$

素因数の和:6529

約数の個数: 24

約数和(自身を含む): 424312560

約数和(自身を除く): 222389380

約数列:

[1, 2, 4, 5, 10, 20, 2531, 3989, 5062, 7978, 10124, 12655, 15956, 19945, 25310, 39890, 50620, 79780, 10096159, 20192318, 40384636, 50480795, 100961590, 201923180]

約数ペア:

[(1, 201923180), (2, 100961590), (4, 50480795), (5, 40384636), (10, 20192318), (20, 10096159), (2531, 79780), (3989, 50620), (5062, 39890), (7978, 25310), (10124, 19945), (12655, 15956)]