42703420

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3331}}^1$

素因数の和:3981

約数の個数: 24

約数和(自身を含む): 89844048

約数和(自身を除く): 47140628

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 3331, 6410, 6662, 12820, 13324, 16655, 33310, 66620, 2135171, 4270342, 8540684, 10675855, 21351710, 42703420]

約数ペア:

[(1, 42703420), (2, 21351710), (4, 10675855), (5, 8540684), (10, 4270342), (20, 2135171), (641, 66620), (1282, 33310), (2564, 16655), (3205, 13324), (3331, 12820), (6410, 6662)]