42137320

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1063}}^1$

素因数の和:2065

約数の個数: 32

約数和(自身を含む): 94993920

約数和(自身を除く): 52856600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1063, 1982, 2126, 3964, 4252, 4955, 5315, 7928, 8504, 9910, 10630, 19820, 21260, 39640, 42520, 1053433, 2106866, 4213732, 5267165, 8427464, 10534330, 21068660, 42137320]

約数ペア:

[(1, 42137320), (2, 21068660), (4, 10534330), (5, 8427464), (8, 5267165), (10, 4213732), (20, 2106866), (40, 1053433), (991, 42520), (1063, 39640), (1982, 21260), (2126, 19820), (3964, 10630), (4252, 9910), (4955, 8504), (5315, 7928)]