85325440

素因数分解:

$2^7\times 5^1\times {\mathrm{133321}}^1$

素因数の和:133340

約数の個数: 32

約数和(自身を含む): 203982660

約数和(自身を除く): 118657220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 133321, 266642, 533284, 666605, 1066568, 1333210, 2133136, 2666420, 4266272, 5332840, 8532544, 10665680, 17065088, 21331360, 42662720, 85325440]

約数ペア:

[(1, 85325440), (2, 42662720), (4, 21331360), (5, 17065088), (8, 10665680), (10, 8532544), (16, 5332840), (20, 4266272), (32, 2666420), (40, 2133136), (64, 1333210), (80, 1066568), (128, 666605), (160, 533284), (320, 266642), (640, 133321)]