200091280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131639}}^1$

素因数の和:131671

約数の個数: 40

約数和(自身を含む): 489700800

約数和(自身を除く): 289609520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 131639, 263278, 526556, 658195, 1053112, 1316390, 2106224, 2501141, 2632780, 5002282, 5265560, 10004564, 10531120, 12505705, 20009128, 25011410, 40018256, 50022820, 100045640, 200091280]

約数ペア:

[(1, 200091280), (2, 100045640), (4, 50022820), (5, 40018256), (8, 25011410), (10, 20009128), (16, 12505705), (19, 10531120), (20, 10004564), (38, 5265560), (40, 5002282), (76, 2632780), (80, 2501141), (95, 2106224), (152, 1316390), (190, 1053112), (304, 658195), (380, 526556), (760, 263278), (1520, 131639)]