51215808640

素因数分解:

$2^7\times 5^1\times {\mathrm{80024701}}^1$

素因数の和:80024720

約数の個数: 32

約数和(自身を含む): 122437794060

約数和(自身を除く): 71221985420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80024701, 160049402, 320098804, 400123505, 640197608, 800247010, 1280395216, 1600494020, 2560790432, 3200988040, 5121580864, 6401976080, 10243161728, 12803952160, 25607904320, 51215808640]

約数ペア:

[(1, 51215808640), (2, 25607904320), (4, 12803952160), (5, 10243161728), (8, 6401976080), (10, 5121580864), (16, 3200988040), (20, 2560790432), (32, 1600494020), (40, 1280395216), (64, 800247010), (80, 640197608), (128, 400123505), (160, 320098804), (320, 160049402), (640, 80024701)]