42005090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{53171}}^1$

素因数の和:53257

約数の個数: 16

約数和(自身を含む): 76567680

約数和(自身を除く): 34562590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 53171, 106342, 265855, 531710, 4200509, 8401018, 21002545, 42005090]

約数ペア:

[(1, 42005090), (2, 21002545), (5, 8401018), (10, 4200509), (79, 531710), (158, 265855), (395, 106342), (790, 53171)]