42289420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16141}}^1$

素因数の和:16281

約数の個数: 24

約数和(自身を含む): 89491248

約数和(自身を除く): 47201828

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 16141, 32282, 64564, 80705, 161410, 322820, 2114471, 4228942, 8457884, 10572355, 21144710, 42289420]

約数ペア:

[(1, 42289420), (2, 21144710), (4, 10572355), (5, 8457884), (10, 4228942), (20, 2114471), (131, 322820), (262, 161410), (524, 80705), (655, 64564), (1310, 32282), (2620, 16141)]