16021880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{57221}}^1$

素因数の和:57239

約数の個数: 32

約数和(自身を含む): 41199840

約数和(自身を除く): 25177960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 57221, 114442, 228884, 286105, 400547, 457768, 572210, 801094, 1144420, 1602188, 2002735, 2288840, 3204376, 4005470, 8010940, 16021880]

約数ペア:

[(1, 16021880), (2, 8010940), (4, 4005470), (5, 3204376), (7, 2288840), (8, 2002735), (10, 1602188), (14, 1144420), (20, 801094), (28, 572210), (35, 457768), (40, 400547), (56, 286105), (70, 228884), (140, 114442), (280, 57221)]