1129220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 2395008

約数和(自身を除く): 1265788

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 431, 524, 655, 862, 1310, 1724, 2155, 2620, 4310, 8620, 56461, 112922, 225844, 282305, 564610, 1129220]

約数ペア:

[(1, 1129220), (2, 564610), (4, 282305), (5, 225844), (10, 112922), (20, 56461), (131, 8620), (262, 4310), (431, 2620), (524, 2155), (655, 1724), (862, 1310)]