90550400

素因数分解:

$2^7\times 5^2\times {\mathrm{28297}}^1$

素因数の和:28321

約数の個数: 48

約数和(自身を含む): 223695690

約数和(自身を除く): 133145290

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 28297, 56594, 113188, 141485, 226376, 282970, 452752, 565940, 707425, 905504, 1131880, 1414850, 1811008, 2263760, 2829700, 3622016, 4527520, 5659400, 9055040, 11318800, 18110080, 22637600, 45275200, 90550400]

約数ペア:

[(1, 90550400), (2, 45275200), (4, 22637600), (5, 18110080), (8, 11318800), (10, 9055040), (16, 5659400), (20, 4527520), (25, 3622016), (32, 2829700), (40, 2263760), (50, 1811008), (64, 1414850), (80, 1131880), (100, 905504), (128, 707425), (160, 565940), (200, 452752), (320, 282970), (400, 226376), (640, 141485), (800, 113188), (1600, 56594), (3200, 28297)]