81233200

素因数分解:

$2^4\times 5^2\times {\mathrm{311}}^1\times {\mathrm{653}}^1$

素因数の和:982

約数の個数: 60

約数和(自身を含む): 196090128

約数和(自身を除く): 114856928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 311, 400, 622, 653, 1244, 1306, 1555, 2488, 2612, 3110, 3265, 4976, 5224, 6220, 6530, 7775, 10448, 12440, 13060, 15550, 16325, 24880, 26120, 31100, 32650, 52240, 62200, 65300, 124400, 130600, 203083, 261200, 406166, 812332, 1015415, 1624664, 2030830, 3249328, 4061660, 5077075, 8123320, 10154150, 16246640, 20308300, 40616600, 81233200]

約数ペア:

[(1, 81233200), (2, 40616600), (4, 20308300), (5, 16246640), (8, 10154150), (10, 8123320), (16, 5077075), (20, 4061660), (25, 3249328), (40, 2030830), (50, 1624664), (80, 1015415), (100, 812332), (200, 406166), (311, 261200), (400, 203083), (622, 130600), (653, 124400), (1244, 65300), (1306, 62200), (1555, 52240), (2488, 32650), (2612, 31100), (3110, 26120), (3265, 24880), (4976, 16325), (5224, 15550), (6220, 13060), (6530, 12440), (7775, 10448)]