85252040

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8293}}^1$

素因数の和:8561

約数の個数: 32

約数和(自身を含む): 192586680

約数和(自身を除く): 107334640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8293, 10280, 16586, 33172, 41465, 66344, 82930, 165860, 331720, 2131301, 4262602, 8525204, 10656505, 17050408, 21313010, 42626020, 85252040]

約数ペア:

[(1, 85252040), (2, 42626020), (4, 21313010), (5, 17050408), (8, 10656505), (10, 8525204), (20, 4262602), (40, 2131301), (257, 331720), (514, 165860), (1028, 82930), (1285, 66344), (2056, 41465), (2570, 33172), (5140, 16586), (8293, 10280)]