131497120

素因数分解:

$2^5\times 5^1\times {\mathrm{821857}}^1$

素因数の和:821872

約数の個数: 24

約数和(自身を含む): 310662324

約数和(自身を除く): 179165204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 821857, 1643714, 3287428, 4109285, 6574856, 8218570, 13149712, 16437140, 26299424, 32874280, 65748560, 131497120]

約数ペア:

[(1, 131497120), (2, 65748560), (4, 32874280), (5, 26299424), (8, 16437140), (10, 13149712), (16, 8218570), (20, 6574856), (32, 4109285), (40, 3287428), (80, 1643714), (160, 821857)]