1625305040

素因数分解:

$2^4\times 5^1\times {\mathrm{20316313}}^1$

素因数の和:20316326

約数の個数: 20

約数和(自身を含む): 3778834404

約数和(自身を除く): 2153529364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20316313, 40632626, 81265252, 101581565, 162530504, 203163130, 325061008, 406326260, 812652520, 1625305040]

約数ペア:

[(1, 1625305040), (2, 812652520), (4, 406326260), (5, 325061008), (8, 203163130), (10, 162530504), (16, 101581565), (20, 81265252), (40, 40632626), (80, 20316313)]