520018805

素因数分解:

$5^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1\times {\mathrm{619}}^1$

素因数の和:1444

約数の個数: 16

約数和(自身を含む): 628084800

約数和(自身を除く): 108065995

約数列:

[1, 5, 401, 419, 619, 2005, 2095, 3095, 168019, 248219, 259361, 840095, 1241095, 1296805, 104003761, 520018805]

約数ペア:

[(1, 520018805), (5, 104003761), (401, 1296805), (419, 1241095), (619, 840095), (2005, 259361), (2095, 248219), (3095, 168019)]