31639420

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5153}}^1$

素因数の和:5469

約数の個数: 24

約数和(自身を含む): 66672144

約数和(自身を除く): 35032724

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 5153, 6140, 10306, 20612, 25765, 51530, 103060, 1581971, 3163942, 6327884, 7909855, 15819710, 31639420]

約数ペア:

[(1, 31639420), (2, 15819710), (4, 7909855), (5, 6327884), (10, 3163942), (20, 1581971), (307, 103060), (614, 51530), (1228, 25765), (1535, 20612), (3070, 10306), (5153, 6140)]