80021950

素因数分解:

$2^1\times 5^2\times {\mathrm{179}}^1\times {\mathrm{8941}}^1$

素因数の和:9132

約数の個数: 24

約数和(自身を含む): 149689080

約数和(自身を除く): 69667130

約数列:

[1, 2, 5, 10, 25, 50, 179, 358, 895, 1790, 4475, 8941, 8950, 17882, 44705, 89410, 223525, 447050, 1600439, 3200878, 8002195, 16004390, 40010975, 80021950]

約数ペア:

[(1, 80021950), (2, 40010975), (5, 16004390), (10, 8002195), (25, 3200878), (50, 1600439), (179, 447050), (358, 223525), (895, 89410), (1790, 44705), (4475, 17882), (8941, 8950)]