87838640

素因数分解:

$2^4\times 5^1\times {\mathrm{1097983}}^1$

素因数の和:1097996

約数の個数: 20

約数和(自身を含む): 204225024

約数和(自身を除く): 116386384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097983, 2195966, 4391932, 5489915, 8783864, 10979830, 17567728, 21959660, 43919320, 87838640]

約数ペア:

[(1, 87838640), (2, 43919320), (4, 21959660), (5, 17567728), (8, 10979830), (10, 8783864), (16, 5489915), (20, 4391932), (40, 2195966), (80, 1097983)]