51360640

素因数分解:

$2^7\times 5^1\times {\mathrm{80251}}^1$

素因数の和:80270

約数の個数: 32

約数和(自身を含む): 122785560

約数和(自身を除く): 71424920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80251, 160502, 321004, 401255, 642008, 802510, 1284016, 1605020, 2568032, 3210040, 5136064, 6420080, 10272128, 12840160, 25680320, 51360640]

約数ペア:

[(1, 51360640), (2, 25680320), (4, 12840160), (5, 10272128), (8, 6420080), (10, 5136064), (16, 3210040), (20, 2568032), (32, 1605020), (40, 1284016), (64, 802510), (80, 642008), (128, 401255), (160, 321004), (320, 160502), (640, 80251)]