80697440

素因数分解:

$2^5\times 5^1\times {\mathrm{504359}}^1$

素因数の和:504374

約数の個数: 24

約数和(自身を含む): 190648080

約数和(自身を除く): 109950640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 504359, 1008718, 2017436, 2521795, 4034872, 5043590, 8069744, 10087180, 16139488, 20174360, 40348720, 80697440]

約数ペア:

[(1, 80697440), (2, 40348720), (4, 20174360), (5, 16139488), (8, 10087180), (10, 8069744), (16, 5043590), (20, 4034872), (32, 2521795), (40, 2017436), (80, 1008718), (160, 504359)]