90130880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{40237}}^1$

素因数の和:40261

約数の個数: 56

約数和(自身を含む): 245290848

約数和(自身を除く): 155159968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 40237, 80474, 160948, 201185, 281659, 321896, 402370, 563318, 643792, 804740, 1126636, 1287584, 1408295, 1609480, 2253272, 2575168, 2816590, 3218960, 4506544, 5633180, 6437920, 9013088, 11266360, 12875840, 18026176, 22532720, 45065440, 90130880]

約数ペア:

[(1, 90130880), (2, 45065440), (4, 22532720), (5, 18026176), (7, 12875840), (8, 11266360), (10, 9013088), (14, 6437920), (16, 5633180), (20, 4506544), (28, 3218960), (32, 2816590), (35, 2575168), (40, 2253272), (56, 1609480), (64, 1408295), (70, 1287584), (80, 1126636), (112, 804740), (140, 643792), (160, 563318), (224, 402370), (280, 321896), (320, 281659), (448, 201185), (560, 160948), (1120, 80474), (2240, 40237)]