4509020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1861

約数の個数: 24

約数和(自身を含む): 9546768

約数和(自身を除く): 5037748

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1721, 2620, 3442, 6884, 8605, 17210, 34420, 225451, 450902, 901804, 1127255, 2254510, 4509020]

約数ペア:

[(1, 4509020), (2, 2254510), (4, 1127255), (5, 901804), (10, 450902), (20, 225451), (131, 34420), (262, 17210), (524, 8605), (655, 6884), (1310, 3442), (1721, 2620)]