131442140

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{24989}}^1$

素因数の和:25261

約数の個数: 24

約数和(自身を含む): 277089120

約数和(自身を除く): 145646980

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 24989, 49978, 99956, 124945, 249890, 499780, 6572107, 13144214, 26288428, 32860535, 65721070, 131442140]

約数ペア:

[(1, 131442140), (2, 65721070), (4, 32860535), (5, 26288428), (10, 13144214), (20, 6572107), (263, 499780), (526, 249890), (1052, 124945), (1315, 99956), (2630, 49978), (5260, 24989)]