200640505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{19661}}^1$

素因数の和:19836

約数の個数: 16

約数和(自身を含む): 260954064

約数和(自身を除く): 60313559

約数列:

[1, 5, 13, 65, 157, 785, 2041, 10205, 19661, 98305, 255593, 1277965, 3086777, 15433885, 40128101, 200640505]

約数ペア:

[(1, 200640505), (5, 40128101), (13, 15433885), (65, 3086777), (157, 1277965), (785, 255593), (2041, 98305), (10205, 19661)]