201805880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{117329}}^1$

素因数の和:117383

約数の個数: 32

約数和(自身を含む): 464626800

約数和(自身を除く): 262820920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 117329, 234658, 469316, 586645, 938632, 1173290, 2346580, 4693160, 5045147, 10090294, 20180588, 25225735, 40361176, 50451470, 100902940, 201805880]

約数ペア:

[(1, 201805880), (2, 100902940), (4, 50451470), (5, 40361176), (8, 25225735), (10, 20180588), (20, 10090294), (40, 5045147), (43, 4693160), (86, 2346580), (172, 1173290), (215, 938632), (344, 586645), (430, 469316), (860, 234658), (1720, 117329)]