72742480

素因数分解:

$2^4\times 5^1\times {\mathrm{909281}}^1$

素因数の和:909294

約数の個数: 20

約数和(自身を含む): 169126452

約数和(自身を除く): 96383972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 909281, 1818562, 3637124, 4546405, 7274248, 9092810, 14548496, 18185620, 36371240, 72742480]

約数ペア:

[(1, 72742480), (2, 36371240), (4, 18185620), (5, 14548496), (8, 9092810), (10, 7274248), (16, 4546405), (20, 3637124), (40, 1818562), (80, 909281)]