2016649975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{929}}^1\times {\mathrm{2801}}^1$

素因数の和:3771

約数の個数: 24

約数和(自身を含む): 2585013120

約数和(自身を除く): 568363145

約数列:

[1, 5, 25, 31, 155, 775, 929, 2801, 4645, 14005, 23225, 28799, 70025, 86831, 143995, 434155, 719975, 2170775, 2602129, 13010645, 65053225, 80665999, 403329995, 2016649975]

約数ペア:

[(1, 2016649975), (5, 403329995), (25, 80665999), (31, 65053225), (155, 13010645), (775, 2602129), (929, 2170775), (2801, 719975), (4645, 434155), (14005, 143995), (23225, 86831), (28799, 70025)]