201725620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113329}}^1$

素因数の和:113427

約数の個数: 24

約数和(自身を含む): 428387400

約数和(自身を除く): 226661780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113329, 226658, 453316, 566645, 1133290, 2266580, 10086281, 20172562, 40345124, 50431405, 100862810, 201725620]

約数ペア:

[(1, 201725620), (2, 100862810), (4, 50431405), (5, 40345124), (10, 20172562), (20, 10086281), (89, 2266580), (178, 1133290), (356, 566645), (445, 453316), (890, 226658), (1780, 113329)]