42474260

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2143}}^1$

素因数の和:3143

約数の個数: 24

約数和(自身を含む): 89327616

約数和(自身を除く): 46853356

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 2143, 3964, 4286, 4955, 8572, 9910, 10715, 19820, 21430, 42860, 2123713, 4247426, 8494852, 10618565, 21237130, 42474260]

約数ペア:

[(1, 42474260), (2, 21237130), (4, 10618565), (5, 8494852), (10, 4247426), (20, 2123713), (991, 42860), (1982, 21430), (2143, 19820), (3964, 10715), (4286, 9910), (4955, 8572)]