120905140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{46147}}^1$

素因数の和:46287

約数の個数: 24

約数和(自身を含む): 255844512

約数和(自身を除く): 134939372

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 46147, 92294, 184588, 230735, 461470, 922940, 6045257, 12090514, 24181028, 30226285, 60452570, 120905140]

約数ペア:

[(1, 120905140), (2, 60452570), (4, 30226285), (5, 24181028), (10, 12090514), (20, 6045257), (131, 922940), (262, 461470), (524, 230735), (655, 184588), (1310, 92294), (2620, 46147)]