64944280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85453}}^1$

素因数の和:85483

約数の個数: 32

約数和(自身を含む): 153817200

約数和(自身を除く): 88872920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 85453, 170906, 341812, 427265, 683624, 854530, 1623607, 1709060, 3247214, 3418120, 6494428, 8118035, 12988856, 16236070, 32472140, 64944280]

約数ペア:

[(1, 64944280), (2, 32472140), (4, 16236070), (5, 12988856), (8, 8118035), (10, 6494428), (19, 3418120), (20, 3247214), (38, 1709060), (40, 1623607), (76, 854530), (95, 683624), (152, 427265), (190, 341812), (380, 170906), (760, 85453)]