31381120

素因数分解:

$2^7\times 5^1\times {\mathrm{49033}}^1$

素因数の和:49052

約数の個数: 32

約数和(自身を含む): 75022020

約数和(自身を除く): 43640900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 49033, 98066, 196132, 245165, 392264, 490330, 784528, 980660, 1569056, 1961320, 3138112, 3922640, 6276224, 7845280, 15690560, 31381120]

約数ペア:

[(1, 31381120), (2, 15690560), (4, 7845280), (5, 6276224), (8, 3922640), (10, 3138112), (16, 1961320), (20, 1569056), (32, 980660), (40, 784528), (64, 490330), (80, 392264), (128, 245165), (160, 196132), (320, 98066), (640, 49033)]