42017420

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4679}}^1$

素因数の和:5137

約数の個数: 24

約数和(自身を含む): 88452000

約数和(自身を除く): 46434580

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 4679, 8980, 9358, 18716, 23395, 46790, 93580, 2100871, 4201742, 8403484, 10504355, 21008710, 42017420]

約数ペア:

[(1, 42017420), (2, 21008710), (4, 10504355), (5, 8403484), (10, 4201742), (20, 2100871), (449, 93580), (898, 46790), (1796, 23395), (2245, 18716), (4490, 9358), (4679, 8980)]