156957040

素因数分解:

$2^4\times 5^1\times {\mathrm{1961963}}^1$

素因数の和:1961976

約数の個数: 20

約数和(自身を含む): 364925304

約数和(自身を除く): 207968264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961963, 3923926, 7847852, 9809815, 15695704, 19619630, 31391408, 39239260, 78478520, 156957040]

約数ペア:

[(1, 156957040), (2, 78478520), (4, 39239260), (5, 31391408), (8, 19619630), (10, 15695704), (16, 9809815), (20, 7847852), (40, 3923926), (80, 1961963)]