42556420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13553}}^1$

素因数の和:13719

約数の個数: 24

約数和(自身を含む): 89944344

約数和(自身を除く): 47387924

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 13553, 27106, 54212, 67765, 135530, 271060, 2127821, 4255642, 8511284, 10639105, 21278210, 42556420]

約数ペア:

[(1, 42556420), (2, 21278210), (4, 10639105), (5, 8511284), (10, 4255642), (20, 2127821), (157, 271060), (314, 135530), (628, 67765), (785, 54212), (1570, 27106), (3140, 13553)]