38402840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137153}}^1$

素因数の和:137171

約数の個数: 32

約数和(自身を含む): 98750880

約数和(自身を除く): 60348040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 137153, 274306, 548612, 685765, 960071, 1097224, 1371530, 1920142, 2743060, 3840284, 4800355, 5486120, 7680568, 9600710, 19201420, 38402840]

約数ペア:

[(1, 38402840), (2, 19201420), (4, 9600710), (5, 7680568), (7, 5486120), (8, 4800355), (10, 3840284), (14, 2743060), (20, 1920142), (28, 1371530), (35, 1097224), (40, 960071), (56, 685765), (70, 548612), (140, 274306), (280, 137153)]