19829120

素因数分解:

$2^7\times 5^1\times {\mathrm{30983}}^1$

素因数の和:31002

約数の個数: 32

約数和(自身を含む): 47405520

約数和(自身を除く): 27576400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30983, 61966, 123932, 154915, 247864, 309830, 495728, 619660, 991456, 1239320, 1982912, 2478640, 3965824, 4957280, 9914560, 19829120]

約数ペア:

[(1, 19829120), (2, 9914560), (4, 4957280), (5, 3965824), (8, 2478640), (10, 1982912), (16, 1239320), (20, 991456), (32, 619660), (40, 495728), (64, 309830), (80, 247864), (128, 154915), (160, 123932), (320, 61966), (640, 30983)]