201091180

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{6491}}^1$

素因数の和:8049

約数の個数: 24

約数和(自身を含む): 422629200

約数和(自身を除く): 221538020

約数列:

[1, 2, 4, 5, 10, 20, 1549, 3098, 6196, 6491, 7745, 12982, 15490, 25964, 30980, 32455, 64910, 129820, 10054559, 20109118, 40218236, 50272795, 100545590, 201091180]

約数ペア:

[(1, 201091180), (2, 100545590), (4, 50272795), (5, 40218236), (10, 20109118), (20, 10054559), (1549, 129820), (3098, 64910), (6196, 32455), (6491, 30980), (7745, 25964), (12982, 15490)]