7139818160

素因数分解:

$2^4\times 5^1\times {\mathrm{89247727}}^1$

素因数の和:89247740

約数の個数: 20

約数和(自身を含む): 16600077408

約数和(自身を除く): 9460259248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89247727, 178495454, 356990908, 446238635, 713981816, 892477270, 1427963632, 1784954540, 3569909080, 7139818160]

約数ペア:

[(1, 7139818160), (2, 3569909080), (4, 1784954540), (5, 1427963632), (8, 892477270), (10, 713981816), (16, 446238635), (20, 356990908), (40, 178495454), (80, 89247727)]