19677280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17569}}^1$

素因数の和:17591

約数の個数: 48

約数和(自身を含む): 53131680

約数和(自身を除く): 33454400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17569, 35138, 70276, 87845, 122983, 140552, 175690, 245966, 281104, 351380, 491932, 562208, 614915, 702760, 983864, 1229830, 1405520, 1967728, 2459660, 2811040, 3935456, 4919320, 9838640, 19677280]

約数ペア:

[(1, 19677280), (2, 9838640), (4, 4919320), (5, 3935456), (7, 2811040), (8, 2459660), (10, 1967728), (14, 1405520), (16, 1229830), (20, 983864), (28, 702760), (32, 614915), (35, 562208), (40, 491932), (56, 351380), (70, 281104), (80, 245966), (112, 175690), (140, 140552), (160, 122983), (224, 87845), (280, 70276), (560, 35138), (1120, 17569)]