40940840

素因数分解:

$2^3\times 5^1\times {\mathrm{1023521}}^1$

素因数の和:1023532

約数の個数: 16

約数和(自身を含む): 92116980

約数和(自身を除く): 51176140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1023521, 2047042, 4094084, 5117605, 8188168, 10235210, 20470420, 40940840]

約数ペア:

[(1, 40940840), (2, 20470420), (4, 10235210), (5, 8188168), (8, 5117605), (10, 4094084), (20, 2047042), (40, 1023521)]